| 20 CUT OFF WHEELS and 2 MANDRELS for rotary tools  REINFORCED FOR EXTRA LONG LASTING Diameter: 1-1/2" Arbor hole: 1/4" Thickness: 1/16" Mandrels have 1/8" shanks and 1/4" screw to fit the arbor hole of the wheels Will work on dremel tool, wizard, and every other brand rotary tool Hobby stores get upwards of 1.99 per wheel so you are getting a 44.00 value |