Slimcut Aluminum Oxide Cutting Wheels, available in various sizes (4-1/2” is pictured) Long life and cool aggressive cutting25 wheels per containerAluminum OxideContaminant free (Fe + S + Cl <0.1%).Use with ferrous metals, iron, steel, non-ferrous, sheet metals, copper and stainless steel. Slimcut SRT, available in various sizes (4-1/2” is pictured) Pearl’s new SlimCut™ SRT™ is a super high-performance thin cut-off wheel designed to cut metal and stainless steel. It is ideal for cutting thin and thick gauge as well as flat stock, bar stock square tubing and much more.Pearl’s SlimCut™ SRT™ is an INOX wheel, which does not contaminate Stainless Steel, making it ideal for use when manufacturing and fabricating food storage and processing equipment.Contamination free (Fe+S+CL <0.1%)