Cut accurate flange and ring gaskets with the M3 Rotary-Style Gasket Cutter. Designed primarily for non-metallic gasket materials such as cork, fiber, and rubber, up to 1/4" thick. Cuts gaskets with a face width of 1/4" to 7"; from 2" I.D. to 22" O.D. Accessory scale bars (not included) extend cutting range from 22" I.D. to 42" O.D., or 42" I.D. to 62" O.D. Mounts on a vise or clamps to a piece of angle iron.