The drill guides are like having a drill press for precision alignment, while the tap guides start every hole straight and helps prevent tap breakage! All the guides have a "v-groove" on the bottom to allow you to work on corners or round surfaces. Each guide is heat treated for durability, allowing a tight tolerance. The guides work great on corners, and round and flat surfaces. 100% American-made quality and a Lifetime Warranty on every guide! Order includes: 10 guides (6 drill guides, 4 tap guides) & 10 corresponding hanger tubes

• The guides feature a precision ground base to assure stability and accurate perpendicular alignment of drill bits on flat surfaces
• 90-degree "V-groove" design allows perpendicular alignment on round and cornered material
• 100% American-made quality
• Steel is heat treated for durability and accuracy
• Natural, steel finish
• Lifetime Warranty
• FREE plastic hanger storage tubes for each tool
• Portable, pocket-sized
• Can be used on flat surfaces, round parts and corners
• Standard V-DrillGuide - STD3000DGNP Drill guide is sized for drill bit sizes: 33/64" to 5/8". 8 drill sizes - 1/64" increments. 8 drill sizes include: 33/64", 17/32", 35/64", 9/16", 37/64", 19/32", 39/64", 5/8"
• Standard V-DrillGuide - STD2000DGNP Drill guide is sized for drill bit sizes: 3/8 to 1/2". 9 drill sizes - 1/64" increments. 9 drill sizes include: 3/8, 25/64, 13/32, 27/64, 7/16, 29/64, 15/32, 31/64, 1/2".
• Metric V-DrillGuide - MDG2000NP Drill guide is sized for drill bit sizes: 10 - 14mm. 9 drill sizes - 10, 10.5, 11, 11.5, 12, 12.5, 13, 13.5, 14mm.
• Standard V-DrillGuide - STD1000DGNP Drill guide is sized for drill bit sizes: 1/8 to 3/8". 17 drill sizes - 1/64" increments. 17 drill sizes include: 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4, 17/64, 9/32, 19/64, 5/16, 21/64, 11/32, 23/64, 3/8".
• MINI V-DrillGuide - SDGMINI Drill guide has 21 holes. Drill sizes include: #10, 21, 25, 29, 30, 1/8", 33, 7/64", 36, 37, 38, 40, 3/32", 43, 45, 47, 5/64, 50, 1/16", 53, 3/64".
• Metric V-DrillGuide - MDG1000NP Metric drill guide is sized for 17 drill bit sizes: 3, 3.3, 3.5, 4, 4.2, 4.5, 5, 5.5, 6, 6.5, 6.8, 7, 7.5, 8, 8.5, 9, 9.5mm.
• Standard V-TapGuide - STD500NP Standard V-TapGuide has 32 Standard Ground Tap Sizes: 0-80, 1/64, 1-72, 2-56, 2-64, 3-48, 3-56, 4-36, 4-40, 4-48, 5-40, 5-44, 6-32, 6-36, 6-40, 8-32, 8-36, 8-40, 10-24, 10-32, 1/4-20, 1/4-28, 5/16-18, 5/16-24, 3/8-16, 3/8-24, 7/16-14, 7/16-20, 1/2-13, 1/2-20, 5/8-11, 5/8-18". (Tap guide does cover tap sizes 0-80 to 5/8, except #12 and 9/16. 0-80 to #6 have the same size shank, so only one hole size is needed.)
• Metric V-TapGuide - MTG500NP 13 Metric Ground Tap Sizes: 1.6, 2, 2.5, 3, 3.5, 4, 5, 6, 8, 10, 12, 14, 16mm.
• STI-UNC V-TapGuide - STI-UNC100SNP 10 Unified Coarse Thread sizes: 9/16-12, 1/2-13, 7/16-14, 3/8-16, 5/6-18, 1/4-20, 12/24, 10-24, 8-32, 6-32". This guide is for Screw Thread Insert (STI) type ground taps. Used mostly for thread repair jobs. This guide is for Heli-coil type ground coarse thread taps.
• STI-UNF V-TapGuide - STI-UNF200SNP 9 Unified Fine Thread sizes: 5/8-18, 9/16-18, 1/2-20, 7/16-20, 3/8-24, 5/6-24, 1/4-28, 10-32, 8-36". The V-TapGuide is for Heli-coil type ground fine thread taps.
• Drill & Tap Straight - Every Time!

Set includes: one Standard V-DrillGuide - (33/64"-5/8"), one Standard V-DrillGuide - (3/8-1/2"), one Metric V-DrillGuide (10 - 14mm), one Standard V-DrillGuide - (1/8-3/8"), one MINI V-DrillGuide, one Metric V-DrillGuide 3-9.5mm, one Standard V-TapGuide, one Metric V-TapGuide, one STI-UNC V-TapGuide (coarse threads) and one STI-UNF V-TapGuide (fine threads). Drill & tap straight, everytime with The Ultimate Big Gator Set