Forney Metal Cut-Off Wheel 4-1/2 in. Dia. *Diameter: 4-1/2 in. *Arbor Size: 7/8 in. *Material: Aluminum Oxide *Product Type: Metal Cut-Off Wheel *Number in Package: 1 pc. *Packaging Type: Bulk *Usage: Designed for metal cutting-metal abrasion-body work-metal fabrication and general repair work *Thickness: .045 in. thick *Compatibility: Right Angle Grinders *Maximum Speed: 13580 rpm *Arbor Type: Type 27 *Type 27 *Depressed center* Designed for metal cutting, metal abrasion, body work, metal fabrication and general repair work* Used on stainless steel materials *Discovery Regional