1. It accepts all accessory bits with 1/32 to 1/8 inch shanks.2. It allows you quickly and easily change accessory on rotary tool without changing collets, save time and highly improve your work efficiency.3. Not only suitable for rotary tool models 275, 285, 398; Also suitable for models 750, 770 and 7814. Widely used on rotary tool models 4000, 400, 3000, 398, 300, 285, 275, 200, 100, 8220, 8200, 800, 780, 770, 7700, 750SpecificationsMaximum RPM: 35.000 1/minLength: 23.5mmDiameter: 14mmColour:blackMaterial:MetalPackage Contents:4 * Quick Change Keyless ChucksOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
