PRECAUTIONS FOR PURCHASE：
Widely used on rotary tool models 4000, 400, 3000, 398, 300, 285, 275, 200, 100, 8220, 8200, 800, 780, 770, 7700.Also suitable for models 750 and 781.
Note: 8050-N/18 cannot be used, the thread can be fitted, but the machine shaft is too short!
Please note: Only suitable for rotary tool models 275, 285, 398; Also suitable 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
Easy and quick to change accessories replacement on Dremel multi tool without changing collets.
Ideal for light-duty accessories including drill bits, sanding drums, polishing wheels, wire & bristle brushes, and cut-off wheels.
Quick change chucks Only fit for Dremel rotary tools, NOT fit for other rotary tools.
Usage::Screw on the universal chuck, screw it to 3/4 to insert the accessory and then tighten it.
Unique design, easy to install,more safer than plastic models,the 3-jaw chuck is well-made, and the built-in spring is stable and durable.