Chrome Vanadium Steel Socket Adapter Hex Shank set

Chrome Vanadium Steel Socket Adapter Hex Shank to 1/4" 3/8" 1/2" Extension Drill Bit Bar   Chrome Vanadium Steel Suitable for Heavy Duty Impact Drivers. Spring Loaded Ball Bearing on Head Holds Sockets Securely. Suitable for Quick Change 1/4 Chuck Systems or Directly into Drill Chuck. Change Your Hand Socket Set Into A Driven Socket Set. This set is perfect for your impact driver or drill, and allows you to replace your ratchet with a power tool. These impact ready adapters are rated for the most demanding of applications (2000 in/lb of torque). The 1/4 hex shank fits all quick change chucks as well as standard drill chucks. Specification: Brand new and high quality. Material: Chrome vanadium steel cr-v. 1/4*1/4*50mm--1/4 shank can be converted into 6.35 mm square. 3/8*1/4*50mm--1/4 shank can be converted into 9.53 mm square. 1/2*1/4*50mm--1/4 shank can be converted into 12.7 mm square. Package Included: 1 x Socket Adapter Hex Shank set(3 pcs a set) NO Retail Box. Packed Safely