Description Achieve precise and reliable performance with our drill chuck collet set. Engineered for universal compatibility, these collets work seamlessly with drill chuck, providing a secure and stable grip on drill bits. The set is ideal for professionals and enthusiasts alike, offering the flexibility needed for diverse drilling tasks. Features -Drill chuck collet size: 0.5 mm, 0.8 mm, 1.0 mm, 1.2 mm, 1.5 mm, 1.8 mm, 2.0 mm, 2.4 mm, 3.0 mm, 3.2 mm -Shank diameter: 4.2 mm -Color:Multi -Material:Copper -Size: 5.50X2.00X0.10cm/2.16X0.79X0.04in - Universal compatibility: This drill chuck collet set is designed to be universally compatible with a range of drills and rotary tools, such as a standard drill, angle grinder, etc - Secure clamping: The collets in this set provide a secure and firm grip on various drill bits and accessories, reducing the risk of slippage and enhancing precision - Widely used: Ideal for a multitude of applications, this drill collet set finds its functionality in drilling, milling, grinding, engraving, and other tasks - Copper construction: These copper collets offer conductivity and resistance to wear and tear, providing you with reliable performance, even with frequent use - Various sizes: The set includes a variety of collet sizes to accommodate different drill bits and accessories, which allows you to switch different tasks with easePackage list: 2 x nuts 1 x chuck 10 x collets 2 x wrenches