DAKCOS 10pcs XZN Spline Socket Set,M Type,M4 M18 for 1/2",3/8",1/4" Drive,Triple Square Bit Set

Size: 1/2" Drive: M16,M18;3/8" Drive:M8,M9,M10,M12,M14;1/4 Drive:M4,M5,M6 High Quality: Drop-forged, Heat-treated S2 alloy steel bits. Hardened treated Chrome Vanadium steel sockets. Durable: S2 steel bit is press-fit into the socket for a straight, permanent connection that can't loosen over time. Easy to Store: All drive tools are organized in case, which helps store and organize Application: To change the nuts,wheel bearings,tighten a screw ect., Manufacturer: DAKCOS