Class 3-Jaw Design - Allows you to effortlessly hold round- drill bits from 1.5mm to 13mm securely.Key Design - Tool-free accessory allows you to quickly and easily lock and release.Quick Change Universal Fit- For use with impact driver, snaps easily into the power screwdriver.Perfect Drill Conversion Tool - Converts a cordless power screwdriver into a drill or grinder in seconds.It can NOT be used counterclockwise and NOT suitable for impact drivers or applications involving high torque load.Model Number: 3-Jaw drill chuck setNumber of Jaws: 3Power: ManualProduct: Drilling Chuck SetName: Drilling Machine ChuckFeature: Drilling Chuck with KeyChuck Converter: Drilling Chuck ConverterChuck Adapter: Drilling Chuck AdapterQuick Change Adapter: Drilling Chuck Hex Socket Femal SDS-PlusIf there are any differences in the appearance of the accessories, it does not affect the use.Material: Metalcolour: As shownPackage Contents: 1 x 1/2inch Socket Square Converter with screw1 x 1/2inch Socket Square Converter no screw1 x 3/8inch SDS Plus shaft1 x 1/4inch hex 1 x 1.5-13 mm drill chuckOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.