Features Superior Cutting Performance: Equipped with a diamond material blade, this drill bit ensures sharpness for clean and precise cuts in hard surfaces Efficient Chip Removal: Featuring oval chip drain hole designs, this tool enhances chip discharge, reducing cutting resistance for faster drilling Versatile Application: Ideal for use on marble, concrete, artificial stone, and more, making it a must-have for various home improvement projects Compatible with Multiple Tools: Designed to work seamlessly with electric hand drills and bench drills, providing flexibility for your drilling needs Durable and Reliable: Built with a stable structure, this drill bit offers excellent performance and longevity, ensuring it meets your toughest drilling tasks Features: 1、Come with diamond material blade, which is of sharpn and 2、Oval chip drain hole designs is more conducive to chip discharge, efficient with small cutting resistance 3、Come with wide scope of application, applicable to marble, concrete, artificial stone, etc. 4、Can be used for a variety of equipment such as electric hand drills and bench drills 5、Diamond brazing drill come with stable structure and excellent performance, practical and convenient Specification: Item Type: Diamond Hole Saw Material: Diamond Proc: Brazing Hole Diameter: Approx. 45mm / 1.8in Handle Diameter: Approx. 16mm / 0.6in Color: Golden Applicable Equipment: Electric hand drill, bench drill Package List: 1 x Diamond Hole Saw Package List 1 x Diamond Hole Saw