Features: 1) Diameter: .050'-.155' / 1.3mm-3.95mm 2) Shapes: round, square, trogon, star, hexagon,etc. Features:1) Diameter: .050'-.155' / 1.3mm-3.95mm2) Shapes: round, square, trogon, star, hexagon, heptagon3) Quality grade: economical, commercial, professional4) Package: loop donut, 1/2 lb donut, 1 lb donut, 3 lb spool, 5 lb spool, card head5) Suitable for most leading trimmers and brush ...