The Motor Guard Magna-Cutter Abrasive Cut-Off Wheel is specially formulated to cut aluminum fast, cool and clean with no loading. The resin-bonded abrasive cut-off wheel is specifically designed for cutting automotive aluminum body panels and structural components. Available in 3” (No. JMC300AL) and 4” (No. JMC400AL) diameters, these Type 1 wheels are made in the U.S.A. Unlike standard wheels, they contain no ferrous materials, ensuring contaminant-free cutting of aluminum body panels and structural components.