Polifan® Curved Flap Disc, 4-1/2" Diameter, 9/16" Radius Thickness, 40 Grit, 1 Each

Engineered with layered flaps around the entire circumference, creating a continuous grinding edge that fits seamlessly into fillet welds for aggressive yet precise grinding. Featuring zirconium grain for high performance and a phenolic backing that won’t mar the workpiece, these discs complete jobs with less effort and superior accuracy, making them ideal for demanding grinding tasks.