Features: Experience superior drilling performances with our hammer drill chucks, designing for reliability and durability across various construction, renovations, and home repair tasks. Crafted with precise from alloy materials, this chucks offers a clamping ranges of 1.5-13mm(1/16-1/2inch) and features a 1/2-20UNF thread interfaces, ensuring powerful drilling capability and stability for diverses needs. For construction workers, renovations professional, and DIYer enthusiasts, this drill chucks is perfect for anyone requiring efficient and precise drilling solution. Perfectly suited for applications in building construction, interior renovations, furniture installation, and wall drilling, this tool provide effective and accurate drilling experience. Enhances your toolkit with this hammer drill chucks, engineered to deliver exceptional performances and adaptability in demanding environment. Specifications: Component:Alloy Clamping ranges: 1.5-13mm(1/16-1/2inch) Screw interfaces: 1/2-20UNF Color:Black Package Includes: 1 Set Drill Chucks Adapter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.