Achieve efficient and precise drilling with our professional marble hole designed to deliver perfect cutting result on various materials Ideal for professional contractors, DIYer enthusiasts, and home users, it meets drilling needs Perfect for creating holes in kitchen countertops, bathroom wall, floor, and other marble or surfaces Enhances your tool collection with this marble drill bit, ensuring smooth and accurate every time This standard size drill bit is wear resistant, featuring a quick heat dissipation design to extend its life, Manufacturer: BULAIDAI