Features Superior Cutting Performance - Designed for low incision resistance, this hole drill bit ensures clean edges and high efficiency for all your drilling tasks Complete 12-Piece Set - This comprehensive set includes 12 hole openers in various specifications, catering to diverse work requirements and simplifying your projects Wide Application Versatility - Perfect for granite, marble, artificial stone, glass, quartz stone, and vitrified brick, making it an essential tool for various materials Durable Material Construction - Crafted with emery coating and high carbon steel, this hole saw offers exceptional accuracy and long-lasting durability for extensive use Quick and Easy Installation - Lightweight and compact, the brazed hole drill bit can be installed in just minutes, allowing for hassle-free setup and efficient operation Features: 1、Better Cutting: Ensuring low incision resistance, this hole drill bit that supports dry wet dual use enables clean cutting edge and high efficiency. 2、12Pcs in Total: There are 12pcs hole opener, and the various specification will surely satisfy your work needs and largely simplify your . 3、Flexible Using: Allows for wide application on granite, marble, artificial stone, glass, quartz stone, vitrified brick and so on, very practical. 4、Good Materials: Combining emery coating with high carbon steel material, the hole saw has high accuracy and excellent durability for longer uses. 5、Easy to Install: Light in weight and compact in size as well, the brazed hole drill bit is very convenient to install within several minutes. Specification: Item Type: Brazed Hole Drill Bit Material: Emery, high carbon steel. Use: Widely applicable to various types of stone tiles, such as ceramic tiles, marble tiles, granite tiles, etc. Product Specification: Approx. 6mm / 0.24in, 8mm / 0.31in, 10mm / 0.39in, 12mm / 0.47in, 14mm / 0.55in, 16mm / 0.63in, 18mm / 0.71in, 20mm / 0.79in, 22mm / 0.87in, 25mm / 0.98in, 30mm / 1.18in, 35mm / 1.38in Package List: 12 x Brazed Hole Drill Bit 1 x Plastic Box Package List 12 x Brazed Hole Drill Bit 1 x Plastic Box