Specification: Band new Device Type: 1/4" Hex Shank Drill Chuck Drill Chuck Dia: 0.3~ 6.5 mm Driver Shank: 1/4" Hex Color: Black Application range: for electric grinder and electric drill of power less than 700W Product Features: 100% brand new and high quality. AN IDEAL ACCESSORY: Converts any cordless screwdriver into a drill or grinder to quickly switch tasks and keep the job moving. EASY ON AND OFF: Keyless chuck converter to go from driving to drilling in seconds. KEYLESS DESIGN: Chuck securely holds hex-shank drill bits. ONE-HANDED DRILLING: Gives you the freedom of one-handed drilling and is ideal if you are working in tight spaces. UNIVERSAL: Universal driver 1/4-inch hex shank snaps easily into the power screwdriver. Clamping Range: 0.3-6.5mm. Package Includes: 1 x 1/4" Hex Shank Drill Chuck. Note: Please allow a little size errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.