Features Applicable Material: Suitable for drilling materials such as wood, thin iron sheet, and aluminum plate. Not for cement or steel plate. Rust Proof: Includes rust-proof round shank and hex shank extension rods, and electric wrench adapter for longer service life. Wide Compatibility: Compatible with most screwdrivers, impact wrenches, hammer drills, and some angle polishers in the market, such as , , Kobalt, and more. Precise Size: Chuck and adapters are precisely manufactured with accurate thread and size for a perfect and firm connection. Easy Carrying: Compact and lightweight set, convenient to put into your tool bag and carry around. Features: 1. Applicable Material: This set is suitable for drilling materials that are not too hard, such as wood, thin iron sheet and aluminum plate, not for cement, steel plate and other hard materials. 2. Rust Proof: The kit includes round shank extension rod, hex shank extension rod and electric wrench adapter, all of which have rust proof finish, with longer service life. 3. Wide Compatibility: The drill adapter kit is applicable to most brands of screwdrivers, impact wrenches, hammer drills and some angle polishers in the market, such as for , for , for Kobalt, etc. 4. Precise Size: The chuck and adapters are precisely manufatured, with precise thread and size, ensure perfect and firm connection. 5. Easy Carrying: Compact in size and light in weight, this set is very easy to put into your tool bag and convenient to carry around. Specification: Item Type: Drill Chuck Adapter Set Material: Plastic Chuck Specification: Approx. 10mm/0.39in Round Shank Connection Rod Thread: Approx. 9.5x12.5mm/0.37x0.49in Electric Wrench Adapter and Hex Connection Rod Thread: Approx. 9.5x15mm/0.37x0.59in Electric Wrench Adapter Shank Length: Approx. 45mm/1.77in Hex Connection Rod Shank Length: Approx. 27mm/1.06in Package List: 1 x Drill Chuck 1 x Electric Wrench Adapter 1 x Hex Shank Connection Rod 1 x Round Shank Connection Rod Package List 1 x Drill Chuck 1 x Electric Wrench Adapter 1 x Hex Shank Connection Rod 1 x Round Shank Connection Rod