Good choice of backing pads for Fiber discs, Velcro discs, Roloc Rollock Roll-on Type R discs. Made of quality materials with innovative technologies, strong and long lasting high quality products. Suitable for 3/8”-11 or M14 spindle angle and straight grinders, for random orbital or low speed DA sanders, for pneumatic driven grinders, for hand drills with chucks and variety of other hand held tools. Backing Pads cover different cooling and technological regime requirements. Most products are Koltec, Switzerland and Smart Koltec, Made in Bulgaria. There are a number of quality products made in China.