Product code: Pearl Abrasive MAX4560ZT 4-1/2" by 7/8" 60 grit Maxidisc, Flap order Discs
From the Manufacturer
4-1/2 x 7/8
Radial Flap order Disc Zirconia for Ferrous Metals, Iron, Steel and Stainless Steel
100% Zirconia grain is extremely tough and sharp: provides high stock removal, cool running, and long life