General description This 1.5-13Mm Keyless Drill Chuck is designed for versatility and ease of use, featuring a 1/2 inch-20UNF thread size and an SDS-Plus shank. This complete power tool conversion kit includes a keyless drill chuck, a hex shank, and an impact wrench adapter, making it suitable for various electric devices. Technical specifications Thread Size: 1/2 inch Chuck Size: 1.5-13 mm Material: Metal Colour: Black Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible Devices: Electric screwdriver Electric drill Hammer drill Electric hammer Impact wrench Included Components: Keyless 1/2 inch drill chuck SDS-Plus shank Hex shank Impact wrench adapter