3M™ Roloc™ Fibre Disc 787C is a fibre disc featuring our advanced abrasive technology, 3M Precision Shaped Grain. These discs have a stiff fibre backing and strong resin bond that provide durability and tear-resistance. They are constructed with a grinding aid.Engineered for ultra-rapid cut, 3M™ Roloc™ Fibre Disc 787C features 3M Precision Shaped Grain.