Feature:1. The blade is made of high quality material, which is of sharpness and durable2. Applicable to marble, concrete, artificial stone, etc., possess wide scope of application3. Oval chip drain hole designs is efficient and the cutting resistance is small, which is more conducive to chip discharge4. brazing drill is suitable for a variety of equipment such as electric hand drills and bench drills5. The product come with stable structure and excellent performance, practical and convenientSpecification:Item Type: Hole SawMaterial: DiamondProcess: BrazingHole Diameter: Approx. 30mm / 1.2inHandle Diameter: Approx. 16mm / 0.6inColor: GoldenApplicable Equipment: Electric hand drill, bench drill Package List:1 x Hole Saw