This top-quality flap disc uses premium ceramic alumina grain to work up to 2X faster* and last 4X longer* than other discs. Flexible construction make it better than a grinding wheel for smoothing, feathering, and blending.
This HERCULES™ 4-1/2 in. x 5/8 in.-11 120-Grit Type 29 Flap Disc is constructed with a premium blend of tough Ceramic Alumina abrasive that works up to 2X faster and lasts 4X longer than aluminum oxide wheels. The durable flap plates flex under pressure for grinding and blending on curves and contours. This disc delivers professional results on carbon steel and stainless steel applications.