Specification:Material: Steel - Diamond 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. - Package Included:1Set x Diamond Hole Saw (10pcs)