[Wide Compatibility] Versatile and easy to install, this quick-change keyless chuck collet set is compatible with cordless and corded rotary tools like drills and buffing wheels. The brass collets come in 10 sizes (0.5mm/0.02 inch to 3.2mm/0.13 inch), securely holding drill bits and accessories for various applications. [ Materials] The drill chuck collet set includes brass collets, alloy chucks, and -plated brass nuts, offering durability, safety, and stability. to deformation, breakage, and wear, it ensures a long service life. [Package Contents] You receive 2 silver nuts, 2 British 1/32 to 1/8 inch 4486 model 3-jaw chucks, 10 brass collets (10 sizes), 1 wrench, and 1 L-shaped wrench. This practical combination set meets . [User-Friendly Design] The 3-jaw alloy chuck is easy to use, accommodating shank sizes from 1/32 inch to 1/8 inch. Its anti-slip texture ensures a firm grip, maintaining stability during high-speed rotation and improving work efficiency., Manufacturer: PokFhgur