Select Diameter/Thickness and Concrete or Asphalt application
1" Arbor with locking pin hole 
These PRO-BLADES are truly the finest quality professional blades in the market
With a 40% diamond concentration and a 10mm segment height this saw blade will cut fast and last a long time
Blade specs meet or exceed the demands of the Department of Transportation & Professional Concrete/Asphalt cutters
These blades are perfect for high horsepower (Up to 65 hp saws) and low RPM walk behind saws