Yking VB-CB - 50 mm Vaccum Brazed Core Bit - It is suitable to run with an angle grinder. It is preferred for its high speed and controllable to centre while drilling. It is used for cutting various products like stone, concrete, ceramic, brick, porcelain, terracotta, plastic and fibreboard. It has a high concentration of exposed diamond that ensures the long life of the tool. It has side windows for easy evacuation. The two-sided wrench flat provides easy installation and removal.