Abrasive High Density Flap Discs, 4 1/2 in Dia, 40 Grit, 5/8-11 Arbor, Type 27

A thicker disc with larger flaps for increased conformability. High cut rate and smooth grinding action. Ideal for a working angle less than 15°. Offers durability and reinforcement. Phenolic backing prevents disc from scratching the workpiece.