Originally Posted by Monroe74
Both are good like above get a bigger engine and it'll work better for you.
I personally use a dedicated sidewalk edger tanaka but thats what i like.
I'm not sure he needs a edger at all if the concrete is "raised" from the sod. The blade will never get low enough to cut properly. Sounds like he'd have to use a string trimmer over a stick edger if the concrete is raised.