... head,Hex flange head,Round head,Ball head,Button head...Socket typesPhillip type,Pozi type,Eleven type,hexagonal type,Torx type ... is much thicker ,it is strong not break down . meanwhile,socket is much deeper,it is convenient to tighten by screwdriver ... ,70% balance paid before delivery.6) Shipment:By truck,by air,by sea..Thanks for clicking our products!Welcome to contact ...