Accepts rotary drill accessories with shanks from 1/32 in (0.8 mm) to 1/8 in (3.2 mm) Switch-change chucks designed for rotary tools, NOT for other rotary tools Easy, on-the-multi-tool accessory replacement without changing collets Note: Only fits rotary tools models 275, 285, 395, 398; Also fits models 750, 770 and 781 Use with rotary tool models 4000, 400, 3000, 398, 395, 300, 285, 275, 200, 100, 8220, 8200, 800, 780, 770, 7700, 750 Color: Black Material: Metal Package Contents: 24 * Electric Grinder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.