With the Dremel SC456 ez SpeedClic metal cutting wheel set, you make fast and precise cuts in various metals, including hardened steel, sheet metal, copper, and aluminium. Featuring fiberglass reinforcement, these 38 mm diameter wheels deliver clean and durable cutting performance with a maximum working depth of 14 mm at speeds up to 35,000 RPM. When paired with the Dremel SC402 mandrel, you can change accessories quickly and keylessly, keeping downtime minimal while you trim bolts, cut conduit, or remove frozen fasteners. This pack includes 5 Dremel SC456 cutting wheels.