Features: Experience the convenience of our keyless hand drill chuck, designing with a robusts all metal construction for exceptional durability and a wide clamping ranges of 2-13mm. This drill chuck ensures a secure grip on your drill bit without the need for additional tool, allowing for quick and effortless bit changes while maintaining high precise during use. Perfect for professional craftsmen in construction and renovation fields, DIYer enthusiasts, and maintenance technicians who demand reliable and multifunctional tool accessories to tackle complex tasks efficiently. Whether you're working on a construction site drilling into concrete, wood, or metal, or engaging in home improvement projects, this drill chuck provide the necessary support for precise and efficient operation. With its easy installation and removal process, this keyless drill chuck offers broad compatibility across various hand drills and impact driver, enhancing user comfort by effectively absorbing vibrations during prolonged use. Specifications: Component:Alloy Size:Approx.4.2x4.2x4.7cm/2.91x2.91x2.91inch Color:Black Clamping ranges:2-13mm Link size:1/2-20UNF Package Includes: 1pcs Keyless Drill Chuck 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.