Bon 62-443 6-Inch by 4-Inch Stainless Steel Concrete Sidewalk Edger with 3/4-Inch Radius and 7/8-Inch Deep Comfort Grip Handle
Price 10.14 USD
Used to produce a radius at the edge of a concrete slab to prevent the edge from chipping. Bracket is riveted to edger. Many size options are available.