Check the listing for details. Sintered Diamond Hole Saws Set 15-35 mm Drill Bits for Glass Tile 2Pcs. Condition: New. Listed at 11.99 USD. 2Pcs 15-35mm Diamond Coated Hole Saw Drill Bits SERRATED TEETH SHARP for Glass Tile Ceramic Marble Grnite The diamond coated hole saw suitable for use in drill hole on glass, marble, tile or granite Product Specification: Please choose from the drop down menu which size best qualifies your need. Available External Diameter as below： Hole Diameter External Diameter Internal Diameter Shank Diameter Rim Thickness Total Length Drilling Depth Quantity 15mm(19/32") 15mm 12.7 8 1.2 52 22 2 Pieces 16mm(5/8") 16mm 13.7 8 1.2 52 22 2 Pieces 18mm(23/32") 18mm 15.7 8 1.2 52 22 2 Pieces 20mm(close to 3/4") 20mm 17.7 8 1.2 52 22 2 Pieces 22mm(7/8") 22mm 19.7 8 1.2 52 22 2 Pieces 25mm(close to 1") 25mm 22.7 8 1.2 52 22 2 Pieces 26mm(1-1/32") 26mm 23.7 8 1.2 52 22 2 Pieces 30mm(1-3/16") 30mm 27.7 8-10 1.2 52 22 2 Pieces 32mm(1-1/4") 32mm 29.7 8-10 1.2 55 22 2 Pieces 35mm(1-3/8") 35mm 32.7 8-10 1.2 55 22 2 Pieces Quantity:Total 2 Pieces Head Style:Serrated Teeth Drilling speed:Drill a Holes In Seconds, VERY SHARP Use with water as a lubricant Quick Tips 1.Please add water for coolant and drill slowly 2.Start drill at 45 Degree to surface and align to 90 Degree as hole forms 3.Never use drills while machine is in hammer action. 4.Holes Require No Futher Work As Cutting Is Clean We Can List Any Size & Amount Of This Product: Hole diameter from 5mm - 100mm Regular Air postage from China to Unites States is Free and takes 15-30 days delivery to your home We will send out your order within 1-2 days after payment has been received and cleared. Please let us know if you are looking for other accessories or hardware. Should you have any queries, please contact me directly.