Description:Brand New & High Quality, Easy to use, Good Performance and Long life

Coarse grit diamond, on marble, granite and tile

Excellent for making clean and accurate hole on granite, marble, rock, gemstone, shells, tile and glass etc

Water or other cooling agent is for longer life of the bit

Diamond coating maximizes performance and retains a sharper cutting edge than traditional carbide or bimetal hole saws

Specification:Material: DiamondColor: as picture shownShank Diameter: Approx

8mm/0

31inch6mmPunch Diameter: 6mm/0

24inch; Overall Length: 68mm/2

68inch8mmPunch Diameter: 8mm/0

31inch; Overall Length: 80mm/3

15inch10mmPunch Diameter: 10mm/0

39inch; Overall Length: 80mm/3

15inch12mmPunch Diameter: 12mm/0

47inch; Overall Length: 80mm/3

15inch14mmPunch Diameter: 14mm/0

55inch; Overall Length: 80mm/2

68inchPackage Includes:1 Piece Diamond Drill Bit