- Abrasive Material: Zirconium Oxide
- Abrasive Type: Coated
- Applicable Materials: Ferrous Metal
- Arbor Size: 7/8 in
- Backing Material: Fiberglass
- Bond Type: Resin
- Color: Dark Gray/Yellow
- Diameter: 4-1/2 in
- Grit Grade: Coarse
- Grit Size: 40
- Speed Rating: 13300 rpm
- Type: Type 29
Application: For construction, sanding and industrial work