United Abrasives Sait 22021 4-1/2" x .045" x 7/8" A60S Type 27 Depressed Center Cutting Wheel - Box of 50

So unique it has a patent

Thin .045 width

Special aluminum oxide grain

Hard bond for extremely long life

Fast, burr-free cutting

Unique, thin Type 27 (42) shape can be used on all angle grinders in accordance with ANSI B7.1

Special aluminum oxide formulation offers the fastest cutting, longest lasting thin wheel

Externally reinforced with fiberglass layers to provide ultimate safety in a thin wheel