Features HIGH STRENGTH AND HARDNESS: The keyed drill chuck adapter kit is wear resistant and oxidation resistant. Waterproof, corrosion resistant FIRM INSTALLATION: The chuck can firmly lock the drill and is not easy to loose. Compatible with all kinds of brands of electric drill, electric hammer on the market EFFICIENT AND FAST: The drill chuck adapter kit is suitable for multi function use with impact drivers and drills to quickly switch tasks and maintain work progress, increasing work efficiency EASY TO USE: The keyed drill chuck adapter kit features a three jaw chuck design with a key for quick replacement and easy locking IDEAL REPLACEMENT: The drill chuck replacement is compatible with most rotary drills, impact drivers, and drill presses with 3/8‑24UNF mounting threads Specification: Item Type: Keyed Drill Chuck Adapter Kit Material: No. 45 steel Drill Chuck Clamping Size: Approx. 1.5 ~ 10mm / 0.06 ~ 0.39in Drill Chuck Connection Thread: 3/8in Connecting Rod Diameter: Shank: 1/4in, Thread: 3/8in Package List: 1 x Drill Chuck 1 x Drill Chuck Key 1 x Connecting Rod Package List 1 x Drill Chuck 1 x Drill Chuck Key 1 x Connecting Rod