Premium quality nylon trimmer line for brush cutter. 1.Profile:round.(square, star, twist). 2.Porfessional Maker Nylon linePremium Nylon raw material.Profile: round (square, star, twist).Diameter: 2.4mm (2.65mm, 3.0mm, 3.3mm, 3.5mm, 4.0mm).Package: Spool/Bobbin (for 3LB, 5LB, 10LB, 20LB). brush cutter Gardon line