Take advantage of a grinding wheel with two to three times the life span of an ordinary aluminum oxide wheel when you use this BlueFire ZA Type 27 grinding wheel with your right angle grinder. Because it contains less than 0.1 percent iron, sulfur and chlorine, this wheel produces rust- and corrosion-free results, so you can use it with confidence that it wont contaminate stainless steel. This wheel offers a fast cut rate and is ideal for cutting-off, stock removal, side grinding and notching.