Saitech Ultimate Performance High Performance Depressed Center Wheel, 9 in Dia x 3/32 in THK, 24 Gri
2, ANSI Z87.SAIT Saitech Ultimate Performance Depressed Center Wheel, High Performance, 9 in Wheel Diameter, 3/32 in Wheel, Thread Connector, 24 Grit, Extra Coarse Grade, Ceramic Alumina Oxide Abrasive, Wheel Type Number: Type 27, 6600 rpm Maximum, Resinoid Bond, Applicable Materials: Ferrous Metals, High Tensile Alloy and Stainless Steel, 5/8-11 Center Hole Thread, Specifications Met: ANSI B165.1200.