This is the lightened version of the Parabolic II Steel. Runner fits all Easton Razor BladzII holders. # Shot peened to edge for improved strength # 420 high carbon Swedish steel # Lightweight Parabolic design Price is per runner and includes initial regular sharpening. Be sure to make quantity 2 in shopping cart. Note: We are a Custom Radius shop and normally only sell steel to customers who are getting a Custom Radius. If you are just looking for steel, we suggest you try one of the big online stores.