Wood Cutting Saw Blade 110 Angle Grinder Circular Drill Saw Blade Power Tool It's my pleasure to sever for you. Specification: External diameter: 110mm Internal diameter: 20mm Number of teeth: 30 Tooth: type Y Thickness: 1.5mm Max speed: 12000rev/min Package: 1pcs Note: Saw blade must be installed correctly, do not use when it is bent or collision injury. Please wear protective shield when using it. People can't stand in front of the rotating blade feed. Don't over speed or use a blunt blade. Can not be used to cut concrete, steel and other ferrous metals. The drill use with this blade there is a certain danger, our shop does not work any injury claims. Please pay attention to be safety.