Its lightweight 130g design paired with a resistant kirsite coating withstands humid environments while maintaining smooth operations for plumbers and outdoor maintenance crews Ideal for professional contractors, workshop technicians, and craft enthusiasts requiring efficient tool attachments for frequent drilling operations and equipment customization The accuracy engineered threaded arbors features 20UNF compatibility, ensuring stable connection with various drill bits for accurate boring in furniture assembly and renovation projects 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 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, Manufacturer: JSGHGDF