Features: _x005f_x000D_ Each has been quenching heat treated ,sturdy and wear resistant. _x005f_x000D_ Chrome vanadium steel for heavy impact drive suitable quick replacement of 1/4"chuck system or direct drilling into chuck. _x005f_x000D_ Chromium vanadium steel is suitable for heavy impact drive. _x005f_x000D_ The spring loaded ball detent firmly holds the socket. _x005f_x000D_ This kit is applied to your impact drive or drill bit, and allows you to replace the ratchet with an electric tool. _x005f_x000D_ These shock resistant adapters can meet the most demanding applications (2000 RPM/lb). _x005f_x000D_ 1/4 "hexagonal handle is suitable for all quick - change chuck and standard drill chuck. _x005f_x000D_ Suitable for a screwdriver or electric screwdriver handle tools (hexagonal hole or three jaw chuck) drive socket, can be installed after the original hexagonal polygon size into square size, can be used to install the socket, is a good accessories. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Specifications: _x005f_x000D_ Material: chromium vanadium steel _x005f_x000D_ Surface treatment: black oxide _x005f_x000D_ Color: black _x005f_x000D_ Steel beads: yes _x005f_x000D_ Quantity:5 _x005f_x000D_ _x005f_x000D_ The hexagon handle can be converted to square head _x005f_x000D_ Type: _x005f_x000D_ 1/4*1/4*50mm: 1/4 hex shank - - 6.35mm square head _x005f_x000D_ 3/8*1/4*50mm: 3/8 hex shank - - 9.53mm square head _x005f_x000D_ 1/2*1/4*50mm: 1/2 hex shank- - 12.7mm square head _x005f_x000D_ 1/4*1/4*25mm: 1/4 hex shank - - 6.35mm square head _x005f_x000D_ 1/4*1/4*30mm: 1/4hex shank - - 6.35mm square head_x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Package Included: _x005f_x000D_ 5 x Socket Bit Adapters