Ulisem 2 PK Multi-Quick Change Keyless Collet for Dremel 4486 Rotary Tool 3000 4000 7700 8200

Accepts accessory rotary drill bits with a 1/32" (0.8 mm) to 1/8" (3.2 mm) shank. Only for Dremel rotary tool models 275, 285, 398; also for models 750, 770, and 781. Use with rotary tool models 4000, 400, 3000, 398, 300, 285, 275, 200, 100, 8220, 8200, 800, 780, 770, 7700, 750. Quick-change chucks are for Dremel rotary tools only, not other rotary tools. Easily and quickly change accessories on Dremel multitools without changing collets.