Features:_x000D_ 100% quality and Brand new._x000D_ Chrome Vanadium Steel Suitable for Heavy Duty Impact Drivers._x000D_ Spring Loaded Ball Bearing on Head Holds Sockets Securely._x000D_ Suitable for Quick Change 1/4" Chuck Systems or Directly into Drill Chuck._x000D_ Change Your Hand Socket Set Into A Driven Socket Set._x000D_ This set is perfect for your impact driver or drill, and allows you to replace your ratchet with a power tool._x000D_ These impact ready adapters are rated for the most demanding of applications._x000D_ The 1/4" hex shank fits all quick change chucks as well as standard drill chucks._x000D_ Socket Bit Adapter Drill Nut Driver Power Extension Bar 3pc Set 1/4" 3/8" 1/2"._x000D_ _x000D_ Specification:_x000D_ Material: chrome vanadium steel CR-V_x000D_ 1/4" hex shank to 1/4" socket 50mm Long_x000D_ 1/4" hex shank to 3/8" socket 50mm Long_x000D_ 1/4" hex shank to 1/2" socket 50mm Long_x000D_ _x000D_ Package Included:_x000D_ 1 x (1/4" hex shank to 1/4" socket)Socket Adapter_x000D_ 1 x (1/4" hex shank to 3/8" socket)Socket Adapter_x000D_ 1 x (1/4" hex shank to 1/2" socket)Socket Adapter