ITEM NAME:0.5-8mm 1/4" Keyless Drill Chuck Adapter Screwdriver Impact Driver Hex Shank YM Descriptio n Description: Can Be Used With Pistol Drill, Electric Screwdriver, Pneumatic Tools. Specifications: Material: Aluminum Alloy (Shell) + Carbon Steel (Connecting Rod) Colour: Black Size: 7.4*2.45 (Cm) Clamping Range: 0.3-8.0mm Package Included: Three-Claw Self-Centering Conversion Chuck *1 Note: Can Be Used With Pistol Drill, Electric Screwdriver, Pneumatic Tools. We offer you what you need! 0.5-8mm 1/4" Keyless Drill Chuck Adapter Screwdriver Impact Driver Hex Shank.Can Be Used With Pistol Drill, Electric Screwdriver, Pneumatic Tools. Three-Claw Self-Centering Conversion Chuck 1. Colour: Black. Material: Aluminum Alloy (Shell) + Carbon Steel (Connecting Rod). We want to make sure you are happy with our item.