SAIT 23174 THIN HIGH SPEED CUT-OFF WHEEL, TYPE 1, SAITECH HIGH PERFORMANCE, CERAMIC ALUMINUM OXIDE GRAIN OUTLAST STANDARD ALUMINUM OXIDE WHEELS. VERY UNIFORM, HIGH DENSITY GRAIN STRUCTURE IS EXTREMELY DURABLE AND SELF SHARPENING FOR LONG LIFE AND COOLER CUT. EXTERNALLY REINFORCED WITH FIBERGLASS LAYERS TO PROVIDE ULTIMATE SAFETY IN A THIN WHEEL. SPECIALLY FORMULATED FOR CONTAMINANT-FREE STOCK REMOVAL ON STAINLESS STEEL.