Z-Tech High Performance Depressed Center Wheel, 9 in Dia x 1/8 in THK, 7/8 in Center Hole, 24 Grit,
1200.SAIT Sait Z-Tech Depressed Center Wheel, High Performance, 9 in Wheel Dia, 1/8 in Wheel Thickness, 7/8 in Center Hole, Arbor Connector, 24 Grit, Extra Coarse Grade, Zirconia Abrasive, Wheel Type Number: Type 27, 6600 rpm Maximum, Resinoid Bond, Applicable Materials: Ferrous Metals, High Tensile Alloy and Stainless Steel, Wheel Hardness: R, Black Wheel, Reinforced: Yes, Specifications Met: ANSI B165.2, ANSI Z87.1, ANSI B165.