Attributes:What Is Included:Applications & Features:--- Versatile Tool: for Porcelain Tiles, Marble, Engineering Stone, Vitrified Tiles, and Other Hard Materials--- Efficient Drilling: Provides Accurate and Clean Holes--- Use at Low Speed with Coolant for Better Results--- Wide Range of Applications: Suitable for Stone, Concrete, Brick, Masonry, Tile, Glass Cutting--- Durable and Long-lasting Performance: Diamond Coating Maximizes Performance and Retains a Sharper Cutting EdgeUseful Tips:--- Start drilling diagonally and then hold the drill straight for better results.--- Use coolant during the drilling process to prolong the life of the drill bit.--- Maintain a low speed of around while operating the drill.