Feature:1. Applicable Materials: This bit can remove a full circle of glass, tile, marble, granite, ceramic or other materials.2. Chipless Grinding: The bits in our diamond hole saw bit set can do chipless grinding, making your experience comfortable.3. Fast Grinding Speed: This diamond hole saw bit set can also achieve fast grinding speed, making you more efficient in the actual working process.4. Incisive and Wear Proof: The diamond hole saw bit set is incisive and wear proof with excellent craftsmanship, which can be used for a long time under normal operation and use.5. Light Weight: The overall weight of our diamond hole saw bit set is light, which is very convenient to carry, you can bring the bits you need with you at any time.Specification:Item Type: Diamond Hole Saw Drill Bit SetMaterial: Iron plated diamondColor: Steel colorType: Drill holeDiameter: 6mm-50mm6mm (1/4in)8mm (5/16in)10mm (3/8in)12mm (1/2in)14mm (9/16in)16mm (5/8in)18mm (11/16in)20mm (3/4in)22mm (7/8in)25mm (1in)26mm (1-1/32in)28mm (1-3/32in)30mm (1-1/8in)40mm (1-1/2in)50mm (2in)Length: Approx. 49mm-57.5mm / 1.93in-2.26inUse: Ceramic, tile, glass, marble, granite, etc.Matching: With handheld electric drill. Suitable for home, factory, industry, etc.Quantity: 15pcs.Package List:15 x Diamond Hole Saw BitNote:Be sure to use lubricant (water), otherwise the diamond core will burn out and can be used with a standard electric drill.