The United Abrasives/SAIT Type 1/Type 41 Iron Worker™ Chop Saw Wheel is a fast cutting, minimal pressure wheel that is excellent for use on angle iron, channel iron, heavy rebar and other ferrous metals. Proudly manufactured in the USA.RECOMMENDED USE: For use on structural metal applications. Excellent use on angle iron, channel iron, heavy rebar and other ferrous metals This is a fast cutting, general purpose wheel. FEATURES: Fast cutting, specially formulated for use on low horsepower chop saw machines for fast cuting with minimal pressure. All blades are constructed using the highest quality fiberglass to withstand the toughest applications. COMPATIBILITY: Chop Saw; 5,100 max RPMSPECIFICATIONS: 12 inch diameter, 3/32 inch thickness, 1 inch arborMATERIALS: Special ceramic aluminum oxide grain formula; all blades are constructed using the highest quality fiberglass to withstand the toughest applications.