ITEM NAME:1/4 Inch Shank Hex Drive Bit Power Extension Drill Socket Adapter 5pcs G1T7 1/4 Inch Shank Hex Drive Bit Power Extension Drill Socket Adapter 5pcs G1T7 Spring Loaded Ball Bearing on Head Holds Sockets Securely. Suitable for Quick Change 1/4 inch 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. The 1/4 inch hex shank fits all quick change chucks as well as standard drill chucks. Product Name: Drill Socket Adapter Net Weight: 93g Material: Metal Total Size: 6.5 x 65mm Socket Size: 6.3mm/ 1/4" Shank Size: 6.3mm/ 1/4" Color: Gray Package Content: 5 x Drill Socket Adapter Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..This set is perfect for your impact driver or drill, and allows you to replace your ratchet with a power tool. Change Your Hand Socket Set Into A Driven Socket Set. Shank Size: 6.3mm/ 1/4".