Coarse (red) Alpha High Speed PVA 10pcs PVAMSR High Speed: PVA Makita Style, max Rpm 12,000. No backer pad needed. Polish bullnose, shaped edge and carved detail without damaging the workpiece. Fast working and long lasting, PVA Makita Style is easy to use and works well on most common high-speed grinders. The combination of this bond and abrasive give PVA Makita Style a long life at an affordable price. Marble shops will find PVA Makita Style very effective on contours, edges and irregular surfaces such as chamfers, bead molding, and other types of curved or rounded edges.