Features Wide Applications Across Materials: Perfectly designed for drilling through granite, ceramic tiles, concrete, and marble, making it a versatile addition to your toolkit Rapid Drilling Efficiency: Featuring a pointed head and large displacement cutting design, this drill bit ensures fast and efficient hole creation, saving you valuable time Premium Diamond Construction: Crafted from high-quality diamond material, this marble hole opener delivers exceptional drilling speed while significantly reducing effort required Enhanced Stability and Durability: Engineered for high stability, this drill core bit improves work efficiency, allowing for consistent performance and extended lifespan during use Smooth, Chip-Free Cutting: Enjoy a long service life with this drill bit, which provides smooth cuts without chipping, resulting in cleaner and more precise holes every time Features: 1、Wide Applications: This is a hole opener suitable for drilling granite, ceramic tiles, concrete, marble and other materials 2、Fast Drilling Speed: This hole opener has pointed head, fast drilling speed, and a large displacement cutting design 3、Diamond Material: Hole opener is made of diamond material, with fast drilling speed, saving time and effort 4、High Degree Stability: This is a hole opener that can improve work efficiency, has high degree of stability and durability 5、Cutting Smoothly: This is a hole opener, with long service life, which is cutting smoothly, and without chipping Specification: Item Type: Vacuum Brazed Diamond Drill Material: Diamond Colour: Black Holes Diameter: Approx. 28mm / 1.10in Total Length: Approx. 60mm / 2.36in Internal Thread: M14 Scope of Application: for marble, granite and other stone openings Package List: 1 x Marble Hole Saw Package List 1 x Marble Hole Saw