Description:Designed with slotting, the cutter head of the diamond drill bit features accurate cutting and fast chip removal, making your work a breeze.Following the sintering process, the diamond drill bit features high hardness and sharp edges for fast cutting.High-quality diamond material ensures the high hardness and long durability of the diamond drill bit.The length of the diamond hole saw is 73mm, and there are 5 specifications for you to choose from, their diameters are 12mm, 14mm, 16mm, 18mm, 20mm respectively.Diamond drill bit can be used to drill marble, glass, ceramic, tile, porcelain, granite, etc.Item Name: Diamond Hole SawMaterial: DiamondColor: Blue Specifications: 12mm, 14mm, 16mm, 18mm, 20mm Features: Low Cut Resistance, Fast Opening Speed, Quick Chip RemovalSize Details: 12mm Size: 73mm x 12mm//2.87" x 0.47" (Approx.) 14mm Size: 73mm x 14mm/2.87" x 0.55" (Approx.) 16mm Size: 73mm x 16mm/2.87" x 0.63" (Approx.) 18mm Size: 73mm x 18mm/2.87" x 0.71" (Approx.) 20mm Size: 73mm x 20mm/2.87" x 0.79" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Diamond Hole Saw