25 Pack ? Available in: Fine - Medium - Course. Great for: Surface Conditioning & Preconditioning - Rust Removal ? Cleaning, Sanding, Stripping, Deburring, Finish, Polish, Grind.

Use on : Stainless Steel - Steel - Non-Ferrous Materials & Various Alloys ? Plastic ? Fiber Glass - Removes Rust ? Paint & Gasket Materials

Abrasive Mineral: Aluminum Oxide : Durable Elasticity & Flexibility.

Quick Changing Discs ? Compatible / Comparable with R-Type