Gyros 11-41702 1-3/4-Inch Diameter Fiber Disks Fiberglass Reinforced Cut Off Wheels, Set of 2 1-3/4-Inch Diameter 3/64-Inch Thickness 1/8-Inch Center Hole Maximum Speed: 42,000 RPM Package Includes - (2) Fiber Disks and (2) Washers, Use with Mandrel No. 80-18100