Kraft 9" x 4" 1/4"R Jumbo Bronze Edger with Wood Handle100% Bronze Groover. A unique longest wearing one piece casting won't wear out with extended use in concrete like steel edgers. Each blade is hand polished for a smooth professional finish every time. This 9" x 4" edger creates a 1 4" radius on the edge of concrete slabs with a 3 4" lip to prevents the edges from chipping with wear. The ends are turned up along the edges of the tool eliminating the possibility of gouging of the cement while forming