Iron Imported Snap closure 15Pc 6-50Mm Diamond Hole Saw Drill Set 100 Grits Tile Glass Marble Drill Specification Length: 50Mm Material: Electroplated Diamond Production Process: Electroplating Diameter Range:6/8/10/12/14/16/18/20/22/25/28/30/35/40/50Mm Quantity: 15 (1 Hole Saw Drill Per Size) Good Performance And Long Life Ideal For Making Clean, Precise Holes In Glass And Ceramic Tiles Use A Drill To Work Better. (Not Included) Package Included 15 X Hole Saw Drill Note Allow 1-5Mm Error Due To Manual Measurement Show more