The Flap Sanding Disc, 7/8 x 4-1/2, 40 Grit is designed for aggressive sanding and surface preparation. With a 4-1/2-inch diameter and 40-grit abrasive, this flap disc delivers efficient material removal and is ideal for smoothing rough surfaces and preparing them for finishing. The 7/8-inch center hole ensures compatibility with a variety of tools, including angle grinders and sanders. The overlapping flaps provide consistent performance and extended lifespan, making this disc suitable for both professional and DIY applications.