MASONRY GRND DISC 4-1/2" *Brand Name: Diablo *Diameter: 4-1/2 in. *Arbor Size: 7/8 in. *Material: Silicon Carbide *Product Type: Masonry Circular Cut-Off Disc *Number in Package: 1 pc *Packaging Type: Bulk *Compatibility: Angle Grinders *Maximum Speed: 13250 rpm *Thickness: 1/4 in. *Arbor Type: Type 27 - Depressed Center *Discovery SUP