Flexipads Quick Lock Type R backing pads feature an efficient fitting system for practical and safe changing between accessories like sanding discs, flap discs, polydiscs and surface conditioning discs. This tool-free feature helps to speed up change between abrasives and other attachments. The backing pads are made from long lasting and heat-resistant rubber. Discs are always centred, reducing risk of damage to work surface and the backing pad. For use with Type R accessories. Applications:Weld grinding and blendingHeavy metal removalLight deburring and finishing Specifications:Abrasive: 50mmPad: 45mmLock Type: Type RDensity: HardThread: 6mm spindleMax. Speed: 30,000 rpmt