Kutzall 4-1/2 x 7/8 in. Shaping Disc, Fine is designed with a less-pronounced curvature d to fully-rounded discs, making it i for leveling high spots and adjusting uneven surfaces with precision. Its outer diameter coating allows for detailed edge work, while the slight curvature controlled, -hand shaping on flat or convex surfaces. Known as the most popular and versatile tool in the Kutzall line, this shaping disc features a durable coating and sharp pointed teeth for rapid cutting action that leaves behind a relatively fine surface finish. It provides smooth cutting control for all -hand grinding and shaping needs. The disc has a 7/8-inch bore and should be mounted on a 5/8-inch shaft using the stepped bushing included with your grinder. It is compatible with most angle grinders, including brands like Makita, Bosch, DeWalt, Black & Decker, Milwaukee, Hitachi, and more. Model Number: SD412O230