Features:_x000D_Material: ChromeVanadium steel suitable for heavy duty impacts drivers._x000D_Black oxide coating with bracket torque compression to meet standard operating conditions._x000D_Spring loaded ball bearings on each square head securely and locks into sockets to avoid slippage during usage. _x000D_General Usage: This set is perfect for your impacts driver or drill, and allows you to replace your ratchet with a power tool. _x000D_The 14 shank fits all quick change chucks as well as standard drill chucks. _x000D_Suitable for a screwdriver or electric screwdriver handle tools drive sleeve and after use can be installed on the size of the original hexagonal polygons converted to square head size, which can be used to install the sleeve is a good accessory to convert. _x000D_Suitable for quick change 14 chuck systems or directly into drill chuck. Change your hand socket set into a drivenSocket set._x000D_ Package List:_x000D_8pcsset x Socket Adapters