Feature: 1. Fast Changing: Enables quick changing of drill bit on rotating tools, no need to change the chuck, very simple. 2. Firm Clamping: Applicable to 0.3-3.2mm shank, the 3 jaw chuck ensures stable clamping for more reliable working. 3. Practical Use: Ideal for various light accessories, including drill bits, sand drums, polishing wheels and so on. 4. Good Material: Made of high quality aluminium alloy material, not easy to deform, suitable for repeated using. 5. For DREMEL: Compatible with for DREMEL, can use with for DREMEL 225 flexible shaft and 575 right angle connection. Specification: Item Type: Drill Chuck Material: Aluminium Alloy Function: Fittings for rotating tools. Colour: Black Clamping Range: Approx. 0.3 ~ 3.2mm / 0.01 ~ 0.13in Thread Specifications: G9/32-40 Application: For original for DREMEL 9/32-40 thread. Available for DREMEL Electric Grinder Models: 4000, 400, 3000, 398, 395, 300, 285, 275, 200, 100, 8200, 800, 780, 770, 7700, 750. . Package List: 1 x Drill Chuck