3M™ Standard Abrasives™ Quick Change TS Surface Conditioning FE Disc 840431 is the best material when high contact pressure and stock removal are required. It provides a more compact structure of non-woven fibers than 3M™ Standard Abrasives™ Buff and Blend Products. 3M™ Standard Abrasives™ Quick Change TS Surface Conditioning FE Disc 840431 features a woven fabric (scrim) embedded in the nylon structure to provide additional strength and durability for edge work, deburring and efficient blending of all metal types. The Quick Change TS System is the most popular style for safety, productivity and fast disc changes. Change discs by simply twisting to unlock the disc from the holder pad.