3-Jaw Chuck – A drill chuck with a universal key. The 3-jaw design securely holds tool holders. 3 Adapters – Includes three different adapters to convert tools into drill bits, supporting various connection requirements: - 1/4-inch hex adapter for screwdrivers - 1/2-inch square socket adapter for impact wrenches - SDS adapter for hammer drills/electric hammers Convenience – Keyless operation allows quick bit tightening without additional tools, eliminating the need to locate or handle a separate key. Durability – Features high-precision threading, a rust-resistant plastic body, and a tight taper design. Jaws and springs are made of high-quality steel alloy. All components are treated with anti-rust coating to extend service life. Wide Compatibility – Compatible with gyro screwdrivers, cordless screwdrivers, impact screwdrivers, impact wrenches, hammer drills, and select angle grinders available on the market. Specifications Name: Electric Drill Chuck Color: Black Material: Plastic + Iron Size: 6 x 1.27 cm Package Contents: 1 x Automatic Chuck 1 x Electric Conversion Head 1 x Hex Post 1 x Round Shank Post Note: Color appearance may vary slightly due to lighting and display settings. Measurement tolerance: ±1–3 cm.