... 4.0mmShape:round,square,star,hexagon,heptagonPackage:card head ,double blister,spool professional grade trimmer lineDiameter ... GradePacking Specifications: A: Blister Donut PackageB: Card Head PackageC: H-Plastic Spool For 3LB/Spool, 5 ... Spool and 100 KG/Spool.Packing Details; Card Head ------Bulk PackingCarton Size: 47cm X 38cm X ... X 25cm Professional grade trimmer line,mowing line,cutting grass line