Features Versatile Drilling: Supports wet and dry use for easier hole expanding, chamfering, cutting, and more on ceramic tiles, granite, marble, and bricks. M14 Shank Design: Offers stability at high speed, compatible with angle grinder, ensuring efficient and drilling on various materials. Premium Materials: Constructed with premium diamond and C45 steel, providing a sturdy and structure for long-term use. Wide Application: Suitable for a variety of materials, making it a versatile tool for professionals and DIY enthusiasts. Easy Installation: Lightweight and compact design allows for quick and convenient installation, saving time and effort. Features: 1、Simple Drilling: Supports both wet and dry use, the diamond hole saw ensures easier drilling, hole expanding, chamfering, cutting and more. 2、Extensive Using: Allows for wide application on a variety of materials, including but not limited ceramic tiles, granite, marble, bricks, etc. 3、Smart M14 Shank: Designed to have standard M14 shank, the hole saw drill bit has good stability in high speed, compatible with angle grinder. 4、Great Materials: Combining premium diamond and C45 steel, the hole opener drill bit has sturdy structure, and very for long term use. 5、Easy to Install: Light in weight and compact in size as well, the convenient installation can be quickly completed within several minutes. Specification: Item Type: Diamond Hole Saw Material: C45 Steel Drill Handle: M14 Hole Diameter: Approx. 20mm / 0.79in, 25mm / 0.98in, 35mm / 1.38in, 50mm / 1.97in, 75mm / 2.95in, 100mm / 3.94in. Applicable Machine: Angle Grinder Package List: 6 x Diamond Hole Saw 1 x Storage Box Package List 6 x Diamond Hole Saw 1 x Storage Box