5/32" (3.97mm) tree, 3/16" (4.76mm) ball, 5/32" (3.97mm) cylinder and 1/4" (6.35mm) cylinder aluminum oxide grinding points, 1/4" (6.35mm) cylinder aluminum oxide point and 3/32" (2.38mm) collect nut.
3/32" (2.38mm) and 1/8" (3.175mm) screw mandrel shank fits all types of rotary tools.
Warning: Power tool accessories may shatter when broken. Always wear eye protection which complies with ANSI Standard Z87.1. Read and understand your power tool operators manual. Follow all safety requirements. Failure to do so may result in bodily injury. Do not operate in excess of 35,000 RPM's.