2-pack universal quick-change chucks, multi-tool quick-change system for Dremel 4486 rotary tools 3000 4000 7700 8200--BIEMMEDUE

General Description: The quick-release chuck allows for fast and easy accessory changes on Dremel rotary tools. No more fumbling with wrenches and pliers – this chuck simplifies your DIY projects. Technical Specifications: Compatible with the following Dremel rotary tool models: 4000, 400, 3000, 398, 395, 300, 285, 275, 200, 100, 8220, 8200, 800, 780, 770, 7700, 750. Suitable for all accessories with shank diameters from 0.8 mm to 3.2 mm. Compatibility and Accessories: Compatible with Dremel rotary tools only. Not compatible with other rotary tools. Not compatible with the Dremel 8050 Micro.