COMBICLICK® Fiber Disc, 4-1/2" Dia. - Ceramic Oxide CO-COOL, 36 Grit (25pc)PFERD s COMBICLICK system combines an innovative flexible backing pad with a quick, easy and rugged mounting system on the back of the disc. The backing pad allows COMBICLICK discs to be used with standard angle grinders. The geometry of the cooling slots ensures a high throughput of air, thus significantly reducing thermal loads on the abrasive material and workpiece. The rugged mounting fixture, secure disc attachment to the backing pad plus