*KeyFeatures *Built Tough: Our diamond core drill bit set is crafted from high-quality diamond, capable of cutting various hard materials. With a lifespan that's over 10 times longer than regular hole saws, it ensures durability while achieving high-precision and smooth cuts. *Perfect Kit: Our diamond hole saw kit includes 7 different drill bit sizes: 0.2in/6mm, 0.2in/6mm, 0.2in/6mm, 0.8in/20mm, 1in/25mm, 1.4in/35mm, 2in/50mm. It also comes with a 0.8 in / 20 mm finger drill bit, a 1.4 in / 35 mm cone drill bit, an M14 connector (hexagonal shank on the other end), and a 4.5 in / 115 mm saw blade, catering to your various work requirements. *Aluminum Alloy Toolbox: The toolbox's lightweight design makes carrying and moving the diamond drill bits effortless. It can withstand bumps, vibrations, and impacts, enduring rigorous use and challenging outdoor conditions, making it perfect for both worksites and outdoor use. *Easy Operation: After ensuring secure drill bit installation, easily make clean and smooth holes using the angled drilling technique followed by a vertical circular motion. Our tile hole saw kit is simple to operate, even for beginners. *Wide Applications: Our diamond drill bit is compatible with both dry and wet drilling electric drills. Whether you need to cut tiles, granite, marble, or other hard materials, it performs admirably in various situations. ******************************************************************************************************* *Specifications Item Model Number: SSTZ-004 Quantity: 7 Pieces Diameter: 0.2in/6mm, 0.2in/6mm, 0.2in/6mm, 0.8in/20mm, 1in/25mm, 1.4in/35mm, 2in/50mm Connector Specifications: M14 Max Drilling Depth: 1.6 in / 40 mm Material: Diamond + 45# Steel Compatible Machine: Electric Drills Aluminum Foil Toolbox (LxWxH): 11.8 x 7.5 x 3.9 in / 300 x 190 x 100 mm Net Weight (Including Accessories): 3.8 lbs / 1.7 kg ******************************************************************************************************* *Pakcage Content 7 x Drill Bits 1 x User Manual 1 x 0.8 in / 20 mm Finger Drill Bit 1 x 1.4 in / 35 mm Cone Drill Bit 1 x M14 Connector(Hexagonal Shank on the Other End) 1 x Toolbox 1 x 4.5 in / 115 mm Saw Blade