Item Name: Hex Key Set / Allen Key Set Flat head 1.5-6mm (1/16-1/4? 8pcs/set with key ring Customer can buy per set or per specification among them (1.5, 2.0, 2.5, 3.0, 4.0, 5.0 5.5, 6.0 ) Package: 128set/ctn G.W: 25kg