Oregon Gator Mulcher 3-N-1 Blade For 30-Inch Murray Lawn Mowers 97-607 Replaces OEM No. 55454HT, 55969E701, 56210, 56212E701, 56217, 56246E701, 55793E701, 55793HT, 56217E701 and 456246MA Order 1 for a 30-Inch Cut Blade Length (Measured Diagonally): 30-Inch Center Hole Diameter: 27/32-Inch Width: 2.50-Inch and Thickness: 0.187-Inch