Lenox Diamond 4 1/2" Cutting Wheel Accessory The MetalMax wheel?s body is made of solid steel to greatly reduce the risk of breakage. The combination of a steel body with a diamond edge allows MetalMax to hold its original wheel diameter until the very last cut, meaning better control, reach, and cut precision throughout the wheel life. LENOX MetalMax diamond grit cutting wheel allows for at least 1,000 cuts without needing to change the wheel, ensuring a longer life Advanced diamond technology provides extreme durability in metal cutting applications and reduces downtime for increased productivity Solid steel wheel body reduces the risk of breakage for added safety 0.05-In wheel produces less odor and dust residue than thin bonded cutoff wheels and doesn?t wear down like bonded abrasives Diamond construction maintains original wheel diameter and cutting depth for the life of the blade, ensuring better control, reach and precision Made for use with 4.5-in angle grinders with a max of 13,200-RPM Ideal for cutting steel, sheet metal, stainless steel, rebar, cast iron, aluminum and non-ferrous metals Designed for use in the same power tools as bonded abrasive wheels, at the same RPMs and feed forces with no changes in operating settings required (description exceeds maximum possible length)