1 Carbon Steel + Diamond Coating: Made of carbon steel with diamond coating, for porcelain, glass, marble, ceramic, rock and granite, etc. 2 Thickened Blade: Thickened blade, brazed design, durable, very suitable for drilling clean and accurate holes and cutting out perfect circle 3 Longer Service Life: Longer service life, superior performance, and better durability than other ordinary diamond hole saws 4 Fine Workmanship: Diamond drill bit is highly wear resistant, fast and efficient, with non slip triangular shank, and fine workmanship 5 Good Performance: This is durable diamond bit with good performance, achieving high accuracy and glazed cutting

What's in the box
1 x Diamond Hole Saw