Bedrock's L segment cup is manufactured to run extremely cooler than standard cups providing faster stock removal and longer life. Bedrock L segment cup will aggressively grind surfaces such as concrete, terrazzo and similar surfaces. L-Seg diamond cup wheel is designed for aggressive grinding and material removal. The unique L shape segments are specifically engineered to produce a clean, smooth finished surface with fast grinding action and long wheel life. The L segment diamond cup wheels can be used with angle grinders and floor grinding machines for cutting concrete or field stones. The L segment diamond cup wheel is for dry and wet use.