Weiler 51321 5" Tiger Angled Flap Disc, Cloth Backing, Ceramic Alumina 40C Grit, 5" Diameter (Pack of 10)Aggressive grinding tiger angled attacks metal, removing more material in less time so you get the job done faster Flexibility of approach angled flaps allow the operator to grind atb a higher or lower angle, getting into hard to reach places more easily Long life keeps you grinding longer on steel, stainless, aluminum and other hard to grind metals, lowering cost of use Smooth finish while grinding fillet welds, the angled flaps reduce the risk of