[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 . [ Materials] The drill chuck collet set includes brass collets, alloy chucks, and nickel-plated brass nuts, offering durability, safety, and stability. to deformation, breakage, and wear, it ensures a long service life. [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 applications. [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. Type:Drill Chuck Collet Set for Color: Material:Metal Package Contents: 2 * silver nuts 2 * British 1/32 to 1/8 inch 4486 model 3-jaw chucks 10 * brass collets(0.5mm,0.8mm,1.0mm,1.2mm,1.5mm,1.8mm,2.0mm,2.4mm,3.0mm,3.2mm) 1 * wrench 1 * L-shaped wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.