Item Name: Hex Key Set / Allen Key Set Ball head, long size 1.5-10mm (1/16-3/8? 9pcs / sets Customer can buy per set or per specification among them (1.5, 2.0, 2.5, 3.0, 4.0, 5.0, 6.0, 8.0, 10mm) Package: 48set/ctn 46?7.5?4.5 G.W: 21kg