PVC Pipe Fitting. Caps & Stoppers. Sealing Ring & Gasket. Diamond Glass Drill 3mm – 160mm Drill Bit Cutter Drill Holes Saw Core Drill Tool. 100% BRAND NEW AND HIGH QUALITY. Measurement System: Metric Product Name: Diamond Hole Saw Material: Diamond Total length: 55 mm (under 6 mm is 50 mm) Drilling depth: 30 mm Diameter: 3 mm – 160 mm (60 SIZES) Key Features? Material: Diamond-coated cutting edge for drilling through hard, brittle materials. Design: Hole saw style bit with a cylindrical body for smooth, chip-free holes. Size Options: Multiple diameters available to suit different hole size requirements. Usage: Mount in a power drill or drill press; use at low speed with water cooling for best results. Suitable Materials: Ceramics/Microcrystalline Stone/Granite/Ceramic Tiles/Ordinary Glass Ideal for plumbing and bathroom fixture installation, tile wall drilling, glass cutting, and pipe outlet openings. Perfect for drilling faucet holes, switch box openings, and drain holes in tiles or glass. According to your choice! The images shown above are for reference only. If the picture is inconsistent with the actual product, the actual product shall prevail. We care about our valued buyers, if you have any questions, our customer service staff will be very happy to help you. We try our best to reply to your emails as quickly as possible. However, due to the high volume of emails received daily and the time zone difference, we may not be able to respond to your emails immediately.