Skip to main content
FallHalloweenPetLawn & GardenTruck & AutomotiveClothingPoultryHeating & CoolingHorseSporting GoodsOutdoor Power EquipmentFencing & GatesLivestockOutdoor LivingPet & Animal PharmacyToolsHome ImprovementFarm & RanchBoots & ShoesTrailers & TowingHome Decor & FurnitureWild Birds & WildlifeToysGift CardsServices Propane RefillTrailer RentalGarden CenterFeed CenterSame Day DeliveryPetVet ClinicPet WashGrooming at PetsenseDog Training at PetsenseTractor Supply RxPet InsuranceWag!

"Savings and Offers"

Weekly AdSaleClearance

"More Options"

Weekly AdWhat's NewTractor Supply AppEarn Rewards with Neighbor's ClubHometown HeroesLife Out Here BlogTSC Exclusive BrandsTop BrandsClearance ItemsBattery FinderOutdoor Power Equipment Parts FinderHitch Finder

Spend $49.99 to unlock Free Delivery on most orders

|
Learn More
Order statusTSC Credit CardsWhat’s newPetsenseWeekly Ad
​

Sign In / Enroll

Get rewarded!

​
Menu

Search

Home

Sign In

Cart
0.0
(0)
0.0 out of 5 stars.
A woman outside with a dog
A woman outside with a dog
  1. Home
  2. /
  3. Fencing & Gates
  4. /
  5. Fence Posts
  6. /
  7. Electric Fence Posts
  8. /

  9. Starkline 3/8 in. x 48 in. Fiberglass rods 20-Pack Fiberglass Posts for Electric Fencing, Gardening, Boundary Marking, & More

  1. Home
  2. /
  4. /
  5. Electric Fence Posts

Starkline 3/8 in. x 48 in. Fiberglass rods 20-Pack Fiberglass Posts for Electric Fencing, Gardening, Boundary Marking, & More

Shop all Starkline
Starkline 3/8 in. x 48 in. Fiberglass rods 20-Pack Fiberglass Posts for Electric Fencing, Gardening, Boundary Marking, & More

Item # 603589699

Starkline Starkline 3/8 in. x 48 in. Fiberglass rods 20-Pack Fiberglass Posts for Electric Fencing, Gardening, Boundary Marking, & More
Starkline Starkline 3/8 in. x 48 in. Fiberglass rods 20-Pack Fiberglass Posts for Electric Fencing, Gardening, Boundary Marking, & More
$49.99

Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Shop all Starkline
Starkline 3/8 in. x 48 in. Fiberglass rods 20-Pack Fiberglass Posts for Electric Fencing, Gardening, Boundary Marking, & More

Item # 603589699

Starkline Starkline 3/8 in. x 48 in. Fiberglass rods 20-Pack Fiberglass Posts for Electric Fencing, Gardening, Boundary Marking, & More
Starkline Starkline 3/8 in. x 48 in. Fiberglass rods 20-Pack Fiberglass Posts for Electric Fencing, Gardening, Boundary Marking, & More

$49.99
financeCard Logo
New Cardmembers earn a $20 Reward‡ with qualifying purchase of $20 or more plus earn 5% in Rewards+ on this purchase. Valid through 8/9/26.

This item is available online only

Delivery to

Free standard delivery on online footwear & Clothing purchases of $49 and over.

​
Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Ideal for portable electric fencing and controlled grazing; Unlike metal or wood posts, Starkline fiberglass posts are maintenance free and rust and rot-proof; Will not crack due to cold; Self-insulating and durable;

  • Ideal for portable electric fencing and controlled grazing
  • Unlike metal or wood posts, Starkline fiberglass posts are maintenance free and rust and rot-proof
  • Will not crack due to cold
  • Self-insulating and durable
BrandStarkline
Country of OriginImported
Electric Fence Post Length Range31 - 48 in
FeaturesUV-resistant
Post Diameter/Width0.375 in.
Post Height48 in.
Post Weight0.3 lb.
Primary ColorGray
Primary MaterialFiberglass
Quantity Included20
Manufacturer Part NumberSP001-20
No questions have been asked about this product.

No questions have been asked about this product.

Q&As

No questions have been asked about this product.

No questions have been asked about this product.

Similar Items

  1. Top Rated
    Starkline 3/8 in. x 48 in. Fiberglass Electric Fence Step-in Posts with Clips 50 Pack
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Starkline 3/8 in. x 48 in. Fiberglass Electric Fence Step-in Posts with Clips 50 Pack
  2. Zareba Step-In Fence Posts, 8 Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Zareba Step-In Fence Posts, 8 Pack

    $19.99
  3. Zareba 30 in. Garden Fence Post, Green
    4.5 out of 5 stars with 83 reviews
    4.5 (83)

    Zareba 30 in. Garden Fence Post, Green

    $2.49
  4. Zareba Step-In Fence Posts, 28 Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Zareba Step-In Fence Posts, 28 Pack

    $69.99
  5. Zareba Step-In Fence Posts, 16 Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Zareba Step-In Fence Posts, 16 Pack

    $39.99
  6. Gallagher 1 x 60 in. Fiberglass Fence Posts with Pre-Drilled Holes, 10 pk., AFRP60
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Gallagher 1 x 60 in. Fiberglass Fence Posts with Pre-Drilled Holes, 10 pk., AFRP60

    $179.99
  7. Gallagher Lightweight Pigtail Fence Post, White/Orange
    4.2 out of 5 stars with 6 reviews
    4.2 (6)

    Gallagher Lightweight Pigtail Fence Post, White/Orange

    $4.99
  8. Gallagher 1 in. x 66 in. Fiberglass Fence Posts with Pre-Drilled Holes, 10 pk. AFRP66
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Gallagher 1 in. x 66 in. Fiberglass Fence Posts with Pre-Drilled Holes, 10 pk. AFRP66

    $189.99
  9. Gallagher 1 in. x 72 in. Fiberglass Fence Posts with Pre-Drilled Holes - 10 pack AFRP72
    4.5 out of 5 stars with 2 reviews
    4.5 (2)

    Gallagher 1 in. x 72 in. Fiberglass Fence Posts with Pre-Drilled Holes - 10 pack AFRP72

    $199.99
  10. Gallagher 1 x 48in. Fiberglass Fence Posts with Pre-Drilled Holes, 10 pk., AFRP48
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Gallagher 1 x 48in. Fiberglass Fence Posts with Pre-Drilled Holes, 10 pk., AFRP48

    $159.99
  11. Patriot 41 in. Pigtail Tread-In Fence Posts, 10 pk.
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Patriot 41 in. Pigtail Tread-In Fence Posts, 10 pk.

    $69.99
  12. Top Rated
    CountyLine 3/8 in. x 4 ft. Fiberglass Rod Post
    4.8 out of 5 stars with 55 reviews
    4.8 (55)

    CountyLine 3/8 in. x 4 ft. Fiberglass Rod Post

    $2.49

Items You May Like

  1. CountyLine 3/8 in. x 4 ft. Fiberglass Step-In Post
    4.5 out of 5 stars with 144 reviews
    4.5 (144)

    CountyLine 3/8 in. x 4 ft. Fiberglass Step-In Post

    $3.49
  2. Starkline 48 in. (4ft) Plastic Step-in Posts for Electric Fence- 50 pack (White)
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Starkline 48 in. (4ft) Plastic Step-in Posts for Electric Fence- 50 pack (White)

    $149.99
  3. Gallagher 42 in. Heavy-Duty Step-In Posts for Polywire or Polytape up to 1-1/2 in., Orange
    4.7 out of 5 stars with 14 reviews
    4.7 (14)

    Gallagher 42 in. Heavy-Duty Step-In Posts for Polywire or Polytape up to 1-1/2 in., Orange

    $4.99
  4. Starkline 48 in. (4ft) Plastic Step-in Posts for Electric Fence- 50 pack (Black)
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Starkline 48 in. (4ft) Plastic Step-in Posts for Electric Fence- 50 pack (Black)

    $149.99
  5. Top Rated
    Field Guardian 72 in. Stirrup Fence Posts, White, 10 pk.
    4.8 out of 5 stars with 4 reviews
    4.8 (4)

    Field Guardian 72 in. Stirrup Fence Posts, White, 10 pk.

    $129.99
  6. Fi-Shock 4 ft. Step-In Fence Post for Fence Wire and Polytape Up to 2 in. W, White
    4.1 out of 5 stars with 246 reviews
    4.1 (246)

    Fi-Shock 4 ft. Step-In Fence Post for Fence Wire and Polytape Up to 2 in. W, White

    $2.59
  7. Power Wizard 48 in. Electric Fence Step-In Poly Posts, Black 50 pack
    4.1 out of 5 stars with 33 reviews
    4.1 (33)

    Power Wizard 48 in. Electric Fence Step-In Poly Posts, Black 50 pack

    $169.99
  8. Fi-Shock 4 ft. Step-In Fence Post for Fence Wire and Polytape Up to 2 in. W, Black
    4.3 out of 5 stars with 264 reviews
    4.3 (264)

    Fi-Shock 4 ft. Step-In Fence Post for Fence Wire and Polytape Up to 2 in. W, Black

    $2.59
  9. Top Rated
    Fortress Building Products 6 ft. x 2 in. Athens Pressed Spear Aluminum End Post for 4 ft. Pressed Spear Fence Panels, Black
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Fortress Building Products 6 ft. x 2 in. Athens Pressed Spear Aluminum End Post for 4 ft. Pressed Spear Fence Panels, Black

    $39.99
  10. YARDGARD Tie Wire Round 1-3/8in. 100 pc. Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    YARDGARD Tie Wire Round 1-3/8in. 100 pc. Pack

    $24.99
  11. 4 ft. x 7/16 in. Round Steel Electric Fence Post
    4.7 out of 5 stars with 6 reviews
    4.7 (6)

    Unbranded4 ft. x 7/16 in. Round Steel Electric Fence Post

    $3.49
  12. Fi-Shock 4 ft. Step-In Fence Post for Fence Wire and Polytape Up to 2 in. W, Purple
    4.4 out of 5 stars with 69 reviews
    4.4 (69)

    Fi-Shock 4 ft. Step-In Fence Post for Fence Wire and Polytape Up to 2 in. W, Purple

    $2.59

Customers Also Bought

  1. Top Rated
    Field Guardian 60 in. Stirrup Fence Posts, White, 10 pk.
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    Field Guardian 60 in. Stirrup Fence Posts, White, 10 pk.

    $119.99
  2. Gallagher Ring Top Post
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Gallagher Ring Top Post

    $6.99
  3. Top Rated
    Zareba 39 in. Pigtail Step-In Post for Steel/Aluminum Wire, Polywire, Poly Rope and Polytape, Silver
    4.8 out of 5 stars with 20 reviews
    4.8 (20)

    Zareba 39 in. Pigtail Step-In Post for Steel/Aluminum Wire, Polywire, Poly Rope and Polytape, Silver

    $5.99
  4. Top Rated
    Gallagher 39 in. Double Foot Treading Post for Turbo, Polywire or Polytape up to 0.5 in., White
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    Gallagher 39 in. Double Foot Treading Post for Turbo, Polywire or Polytape up to 0.5 in., White

    $3.99
  5. Repel 6-1/2 ft. x 2-1/2 in. CCA Pressure-Treated Fence Posts
    3.8 out of 5 stars with 12 reviews
    3.8 (12)

    Repel 6-1/2 ft. x 2-1/2 in. CCA Pressure-Treated Fence Posts

    $7.19
    Was $7.99Save $0.80
  6. 4 ft. x 3/8 in. Round Steel Electric Fence Post
    4.5 out of 5 stars with 97 reviews
    4.5 (97)

    Unbranded4 ft. x 3/8 in. Round Steel Electric Fence Post

    $2.99
  7. LH EP 3 in. x 3 in. x 6 ft. Gray Aluminum Alloy Fence End Post Kit for 6 x 6in. EP Fence Series
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LH EP 3 in. x 3 in. x 6 ft. Gray Aluminum Alloy Fence End Post Kit for 6 x 6in. EP Fence Series

    $189.99
  8. LH EP 3 in. x 3 in. x 6 ft. Gray Aluminum Alloy Inner Metal Fence Gate Post Kit for EP 44 x 62in. Fence Gate Series
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LH EP 3 in. x 3 in. x 6 ft. Gray Aluminum Alloy Inner Metal Fence Gate Post Kit for EP 44 x 62in. Fence Gate Series

    $239.99
  9. Top Rated
    3 ft. Light-Duty Fence Post
    4.8 out of 5 stars with 65 reviews
    4.8 (65)

    Unbranded3 ft. Light-Duty Fence Post

    $5.49
  10. 5 ft. x 3.35 in. Light-Duty Fence Post
    4.5 out of 5 stars with 110 reviews
    4.5 (110)

    Unbranded5 ft. x 3.35 in. Light-Duty Fence Post

    $6.49
  11. Master Halco 6 ft. x 2-3/8 in. 16 Gauge Galvanized Terminal Fence Post
    4.5 out of 5 stars with 2 reviews
    4.5 (2)

    Master Halco 6 ft. x 2-3/8 in. 16 Gauge Galvanized Terminal Fence Post

    $26.99
  12. Fortress Building Products Athens 2 in. x 2 in. x 7 ft. Gloss Black Aluminum Pressed Spear Fence Gate Post
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Fortress Building Products Athens 2 in. x 2 in. x 7 ft. Gloss Black Aluminum Pressed Spear Fence Gate Post

    $89.99

Reviews

Review this Product

Select to rate the item with 1 star. This action will open submission form.
Select to rate the item with 2 stars. This action will open submission form.
Select to rate the item with 3 stars. This action will open submission form.
Select to rate the item with 4 stars. This action will open submission form.
Select to rate the item with 5 stars. This action will open submission form.
Be the first to review this product
Get the top deals, latest trends and more
Sign up for emails from Tractor Supply today.
First Name*
Last Name*
Email*

Customer Support

  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  

    (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

About Us

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

Work With Us

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

Neighbor's Club

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

Credit Center

  • TSC Credit Card

  • Klarna

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More
  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

  • TSC Credit Card

  • Klarna

Connect & Share with the Tractor Supply Community.

Shop on the go with the Tractor Supply App

Learn More
  • Privacy policy
  • Your Privacy Choices
  • Terms and Conditions
  • California Transparency Act
  • Legal Notices
  • Accessibility
  • Responsible Disclosure Statement
  • Surprise (Balance) Medical Billing Disclosure
  • Transparency in Coverage
  • Human Rights Policy
  • Vendor Code of Conduct
  • California Notice of Collection
  • Privacy Requests

© 2026, Tractor Supply Co. All Rights Reserved.