This BGS TECHNIC Bit Socket Set with internal multi-toothing for XZN M4 - M12 consists of six 6.3mm square profile fluted sockets on a metal rail. Made of chrome vanadium steel, these sockets are corrosion resistant and ensure durability for heavy duty use. With BGS Technic, German experts in the industry for almost 50 years, be assured of professional quality equipment. Benefits: Professional quality sockets Strong and durable sockets for intensive use Features: Bit sockets, square 6.3 mm (1/4"), internal multi-toothing (for XZN) M4 - M5 - M6 - M8 - M10 - M12 Internal multi-serration output Sockets for XZN With spline On metal rail Gross weight: 120 g Composition: Chrome vanadium steel Surface treatment: Chrome-plated, matt Dimensions (WxDxH): 16.5 x 9 x 9 cm Packaging: One Set of BGS TECHNIC bit sockets for XZN - 6,3mm (1/4") - multiple teeth M4/M12 - 6 pcs - 2162Delivered in their original packaging