Cut-off wheel kits metal-ez lock 1- 1/2 inches diameter For cutting metal. One-piece mandrel design simplifies process of changing cutting wheels, eliminates the need for screw and screwdriver. Effortless locking and loading, no tiny mandrel to lose. Compatible with all Dremel rotary tools. Includes No.EZ402 Mandrel and 5 No.EZ456 cutting wheels. Color code red. Do not run in excess of 35,000 RPM.