Feature:1. Using selected high quality diamond material, which is of sharpness and durable2. Efficient elliptical chip hole designs is more conducive to chip discharge, come with small cutting resistance3. The product possess wide scope of application, applicable to marble, concrete, artificial stone, etc.4. Practical brazing drill also can be used for all kinds of stone, ceramics, vitrified tiles, glass, etc.5. Hole saw set can be installed on both electric drills and table drills, very practicalSpecification:Item Type: Diamond Brazing DrillMaterial: DiamondProcess: BrazingColor: GoldenHole Diameter: Approx. 38mm / 1.5inHandle Diameter: Approx. 8mm / 0.3inQuantity: 5PcsApplicable Equipment: Electric drill, table drillRange of Application: Suitable for all kinds of stone, ceramics, vitrified tiles, glass, etc.Package List:5 x Diamond Brazing Drill