4-1/2" WOLVERINE ABRASIVE FLAP DISC, CONICAL (TY29), PHENOLIC BACKING, 40Z, 7/8" ARBOR HOLE

•Self-sharpening zirconia alumina (ZA) grains hold up under high temperatures and extreme pressure

•5/8" 11 metal nut allows for quick spin-on, spin-off changeover and eliminates cross-threading or sticking to spindle due to heat build-up

•Conical disc shape maximizes surface contact for aggressive stock removal on flat surfaces

•Phenolic backing prevents scratching of the workpiece

•Best on steel, cast iron and general use