Quick change keyless chucks accepts accessories rotary bits with 1/32-inch(0.8mm) to 1/8-inch(3.2mm) shank. Pay attention to measure the contrast size before buying.. Only suitable for Dremel rotary tool models 275, 285, 395, 398; Also suitable for 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. This keyless drill chuck is widely used along with various drill machines, milling machines, lathes, boring lathes and electric hand tools..
