Features: Engineered with upgraded high concentricity technology, this universally pneumatic drill chucks minimizes vibrations and maximizes drilling precise, seamlessly fitting various hexagonal shank pneumatic drills for versatile workshop applications. The precise crafted aluminum alloy three jaw chucks delivers exceptionally grip strength, ensuring secure tool to workpiece connection while resisting slippage during high torques operations. Ideal for professional mechanics, construction workers, and DIYer enthusiasts requiring reliabled tool adaptability across metalworking, woodworking, and automotive repair projects. Perfect for industrial workshops, construction site, and home garages where stable drilling performances is critical for sheet metal fabrication, machinery maintenance, or furniture assembly tasks. Its lightweight yet durability aluminum construction combines reduced operational fatigue with extended service life, making it an essential upgrade for precise focused drilling systems. Specifications: Component:Aluminum Alloy Size: Approx.6.35x30x7.5x52mm/0.25x1.18x0.3x2.04inch Color:Silver Package Includes: 1 Set 3 Jaw Drill Chucks 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 color. Thanks for your understandings.