This Stens Silver Streak Buzz Trimmer Line features a square shape with four cutting edges to produce a clean, uniform cut that ensures a tidy appearance. With multiple cutting edges, it's the perfect trimmer line to tackle coarse grass and weeds. When weeds have become a bit overgrown, Buzz trimmer line is an ideal choice for an initial run through the area. It quickly trims tall, thick and heavy weeds. To enhance its strength, the trimmer line is made from a copolymer formula that blends two different materials. Copolymer line is more resistant to stretch and breakage. Stens Silver Streak Buzz Trimmer Line comes in an intense orange color that stands out in the lawn, making it easy to spot pieces that break away.