Get a cool and fast cut rate on your blending, deburring and stock-removal projects with the Blaze R980P coarse grit center mount plastic flat flap disc. The type 27 flat flap disc has a ceramic alumina abrasive grain that lasts 50% - 200 % longer on hard-to-grind materials, making it a cost-efficient choice. The Y-weight polyester flaps resist fraying and retain grains, while the Quick Trim flexible plastic backing plate allows for some conformability and sets the standard for trimmability.