Poly Cutting Edges are designed to protect smooth, hard surfaces - such as cobblestone and some pavements that can be damaged by equipment. They are not design for continual use on rough surfaces.
Custom sized for your particular application. Measurements needed include blade length and optional hole drilling; quantity , distance between holes (center to center) and distance from edge to center of 1st hole.
Optional hardware kit includes 5/8" X 2" mounting bolt, nut, lock washer and washer. (one kit required per hole).