The Bosch Turbo Diamond cup wheel provides controlled material removal and a smooth final grind for concrete. Holes in the steel body were added to aid dust control. The wheel itself is precision Balanced for less vibration and a better grind. The wheel is more durable than bonded abrasive wheels for concrete and masonry applications, and it can be used for wet or dry grinding. It features a spin-on thread interfaces for tool-less mounting to an angle Grinder.