This edger has a heavy gauge blue steel high carbon blade with sturdy steel mounting welded to the blade. Both ends are curved up for use in either direction. It has a resilient DuraSoftÂ® handle which provides a soft feel, reduces fatigue, and offers excellent durability. It is used to produce a radius at the edge of a concrete slab to prevent the edge from chipping. the curved ends prevent edger from digging in to wet concrete.