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 10pcsFeatures 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