Features: Engineered with high strength hollow cores steel for 20% enhanced durability, this drill chucks resists deformation and breakage during heavy duty cores drilling in woodworking and construction applications. The accuracy engineered threaded arbors features 20UNF compatibility, ensuring stable connection with various drill bits for accurate boring in furniture assembly and renovation projects. Ideal for professional contractors, workshop technicians, and craft enthusiasts requiring efficient tool attachments for frequent drilling operations and equipment customization. Perfect for creating clean boreholes in timbers, dry wall, or composite materials at job sites, home garages, or industrial workshops where portable drilling solution are essential. Its lightweight 130g design paired with a corrosions resistant kirsite coating withstands humid environments while maintaining smooth operations for plumbers and outdoor maintenance crews. Specifications: Materials: Alloy Size:Approx. 4.9x1.9cm/1.93x0.75inches Type: 19mm Thread Right Angles Handle/19mm Thread General Handle Package Includes: 1Pc 19mm Thread Right Angles Handle note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color the item.