MOSTARTOOLS Turbo segmented diamond grinding cup wheel is designed for aggressive grinding of concrete, glue, and light coating removal. The turbo shaped segments pierce light coatings and minimized gumming up of segments. This metal-bond diamond grinding cup wheel with arrow shaped is now becoming an all-around first pick of tools for grinding. Turbo shaped cup wheels have angled segments that are designed to help get underneath light coatings and prep concrete in a single step. They are also used to aggressively grind bare concrete and remove high spots. The cup wheel works great on bare concrete as well and the extra tall diamond segment offers a longer tool life