Features: Brand new and high quality High Efficiency This sintered granite marble hole opener features excellent hardness and wear resistance, allowing for efficient drilling on hard materials like marble and granite. Precise Positioning Designed with a hexagonal handle, this product provides a firm grip and stability, ensuring accurate and precise drilling without errors or material damage. Suitable for Professionals and DIY Enthusiasts for professionals in the construction and renovation industry, such as stone workers and tile installers, as well as for home users engaged in DIY projects. Versatile Applications Perfect for various applications, including construction and renovation projects like installing stone countertops and wall tiles, providing fast and efficient drilling with precise hole placement. Durable and Reliable Made of wear resistant materials and manufactured using sintering technology, this hole opener offer a long lifespan, high durability, and reliable performances even in demanding environments. Specifications: Type: Brazed Dry Drill Bit Material: Diamond Coated Size: 6mm/8mm/10mm/12mm/14mm/16mm(optional) Note: Please allow 0-1cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks! Package includes: 1PC x Hole Opener