Teissuly 10Pcs Diamond Drill Saw Bits Set, Hole Saw Diamond Coated Core Drill Bit Hole Saw Set for Diamond Coating specification: new Length: 50mm Material: electroplated diamond Production process: electroplating Diameter range: 3/4/5/6/8/10/12/18/32/50mm Quantity: 10 (1 hole saw drill per size) Good performance and long life Ideal for making clean, holes in glass and ceramic tiles Use a drill to work better. (not included) Package Included: 10 x hole saw drill note: Allow 1-5mm error due to manual measurement The color of the items in the photos displayed on the computer monitor may be slightly different because the monitors are not calibrated the same 10-piece diamond drill saw bits set for precise drilling in various materials Suitable for diamond coating on tile, ceramics, glass, porcelain, and marble Length of each bit: 50 mm Made from high-quality electroplated diamond for durability Diameter range includes: 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm, 12 mm, 18 mm, 32 mm, and 50 mm