Product Description Marshalltown CE509S Concrete Edger 6 X 4 1/2R, 5/8L Wood Handle From the Manufacturer Marshalltown 13898 6 X 4 Stainless Steel Edger 1/2-Inch Radius, 5/8-Inch Lip with Wood Handle is used to create a curved lip around the concrete surface to prevent future chipping at the edges of the slab. The mounting is welded to the blade to create a sturdy bond. Comfort handle is raised to allow for extra hand clearance.