Specification Brand : Agatige BulletPoint1 : Side flutes design - Hole saw drill bit with special side flutes design can remove debris faster, easy to use, high quality, good performance, great for drilling holes in ceramic vases to provide a better environment for plants to survive. BulletPoint2 : Size - Glass drill bit can be used with a standard electric drill, excluding in this item, Popular Sizes is 20mm, 25mm, 32mm, 35mm, 38mm, to meet your unique drilling needs and improve your work efficiency. BulletPoint3 : Easy to use - Diamonded bits can use water, please keep adding water when drilling to extend the life. otherwise the diamonded core drill will burn, start your hole diagonally, make a round trace and then hold drill straight. BulletPoint4 : High efficiency - Diamonded hole saw drill bit can improve drill efficiency and creates asharp, high precise and smoothly cut, excellent for making clean and accurate hole on glass, tile and marble. BulletPoint5 : Applicable - This diamonded coated core drill bit removes a complete circle from glass, tiles, marble, granite, ceramic or other materials, perfect for drill glass, tile bottles,blocks jars, fiberglass porcelain tile ceramic. ItemName : Diamonded Drill Bit, 5Pcs Diamonded Tile Hole Saw Drill Bit Bits Set Glass Marble Granite Slate Cutting Tool for Glass, Ceramic, Tile, Marble, Porcelain ItemPackageDimensions_Height : 10 centimeters ItemPackageDimensions_Length : 43 centimeters ItemPackageDimensions_Width : 24 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hole-saw-sets Manufacturer : Agatige Material : Carbide ModelNumber : Yunseityxgepqvfd6r NumberOfItems : 1 PartNumber : Agatige5o10df6ymg ProductDescription : Features: - This diamonded coated core drill bit removes a complete circle from glass, tiles, marble, granite, ceramic or other materials and only needs water for lubrication- Can be used with a standard electric drill( Excluding in this item )- Easy to use, high quality,good performance, long life- Excellent for making clean and accurate hole on glass, tile and marble- Always use lubrication (water ), otherwise the diamonded core drill will burn- Start your hole diagonally, make a round trace and then hold drill straight- Popular Sizes: 3/4" (20mm)&1" (25mm)&1 1/4" (32mm) &1 3/8" (35mm)&1 1/2" (38mm) Package Includes:1 x 5pcs Diamonded Coated Hole Saw Drill Bits Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.