SAIT Cutting Wheel. Part Number 23177. Type 1. 5 inch X .045 inch X 7/8 inch. High performance, ceramic aluminum oxide grain. Very uniform, high density grain structure is extremely durable and self sharpening for long life and cooler cut. Use with 5/8-11 adaptor to fit angle grinders. Combines fast cutting with extremely long life. Thickness: .045 inch. Arbor: 7/8.