Features:* 100% brand new and high quality.* Instantly converts impact drivers to accommodate quick-change drill bit and drivers * Keyless drill chuck tightens your finger to facilitate bit changes * Quick-change hex chuck for instant swaps, 1/4" impact drivers and quick-change adapters.* Locks and releases drill bits easily.* Allows the use of conventional hex-driven drill bits. Specifications:* Item Type: Drill Chuck* Material: Aluminum Alloy (Drill Chuck) + Carbon Steel (Shank)* Color: Black * Shank Type: 1/4" Hex Shank * Drill Chuck Range: 0.3-3.4mm / 0.3-6.5mm / 0.8-8mm Package Contents: 1x Drill Chuck Without WrenchNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.