Description:10pcs Diamond Hole Saw Drill Bit Set 3mm-13mm Tile Ceramic Glass Porcelain Marble Hole Saw Specification:Material: SteelDiamond Grit: 100 (Medium)Hole Saw Diameters:3/32"、 1/8"、 5/32"、 13/64"、 1/4"、 9/32"、 5/16"、 11/32"、 3/8"、 7/16"(3mm、 4mm、 5mm、 6mm、 7mm、 8mm、 9mm、 10mm、 11mm、 13mm)Quantity: 10pcs  Features:These Diamond Bits are Capable of Drilling into Extremely Hard Materials Such as Stone and Glass. Use With any Drill or Power Tool That Will Accept a 1/8" Diameter Shank.Great for Home、 Hobby、 Craft、 Construction、 etc.Materials and only needs water for lubrication.This diamond coated core drill bit removes a complete circle from glass、 marble、 tiles、granite、 ceramic or other. Use note:1. Start your hole diagonally、 make a round trace and then hold drill straight.2. Always use lubrication (water)、 otherwise the diamond core drill will burn. Package Included:1Set x Diamond Hole Saw (10pcs) More Details: