Description: Made with high carbon steel, the edger blade 40-519 is heat treated for maximum life and extended durability. The heat treatment helps the blade resist bending or breaking on the job.  Replaces OEM Part Number (Please be sure of your OEM part number before purchase): 243797-00, 243801-00 112-106  Fits Model: E750 Edge Hog  Specs: Blade Width: 2-3/4 in Blade Thickness: 0.09 in Blade Length: 7-3/4 in Center Hole Size: 1/2 in Blade Edger Type: NS