3. MATERIAL: Premium blue zirconia (For lasting strength and durability).
4. PRACTICAL USE: Abrasive flaps are attached to the rigid disc with epoxy adhesive (Hence, a backing pad is not required). More durable than normal sanding discs. *Please do not Overspeed
5. IDEAL FOR: Descaling, de-rusting, weld preparation, weld cleaning and general surface preparation. Smoothing glass, concrete, stone etc