Edger Blade / MTD 09954-0637Pack Size:1MTD 09954, MTD 09954-0637ESF 112-306, Foley/PLP 112-306, Green Meadow UEB315, J. Thomas EB-8, Kwik-Fix 812306, NHC 211-9125, Oregon 40-315, Prime Line 7-04702MTD 500-600 Series edgersCenter Hole: 1/2 ", Length: 9 ", Serrated, Not sharpened, Thickness: .105 ", Width: 2 1/2 "