4486 Multi Chuck Set 15Pcs,Brass Collet Set,Collet Nut Kit,0.8-3.2mm Replacement Keyless Quick Change Chuck Rotary Tool Accessory Compatible with Dremel 3000 4000 7700 8200(M7x0.75mm Long)

Safe And Durable Chuck. Crafted from alloy material, one-piece construction design and built-in spring make our 3-jaw chuck more secure and durable than plastic models. It can hold tiny drill bits more securely at high speeds, and the quick-change keyless drill chuck can hold a variety of mini drill bits ranging from 1/32” to 1/8”, eliminating the need for frequent rotary tool changes

7mm Collet Nut. Made of alloy steel, these nuts are wear-resistant, more durable, and safer than plastic alternatives. Coupled with brass collets, they offer exceptional adaptability and improved accuracy for precision work

Brass Collets. Constructed from high-quality brass, these nuts are robust, resilient, and resistant to bending. The unique 4-claws design ensures powerful gripping, firmly holding drill bits in place. A range of clamping diameters adds to their versatility, making them suitable for a wide array of applications

Multiple Sizes Available. The set includes a variety of sizes of brass drill chucks, from 1/8" to 1/50" (0.5mm to 3.2mm) to meet the different needs of users and reduce the hassle of purchasing additional accessories

Highly Compatible. Compatible with all Dremel cordless and corded rotary tools (including drills, sanding drums, buffing wheels and other lightweight attachments). Compatible with Dremel rotary tools: 200, 285, 300, 3000, 395, 398, 400, 4000, 4200, 4250, 4300, 8000, 8100, 8200, 8220, 8260