Aftermarket contour blade replaces Grasshopper 320238 for Grasshopper commercial lawnmowers. Fits Grasshopper 48" deck models 9548, 9548S, 9348, 9348S. 15-6323. All blades are sold individually, The 48" deck takes a combination of (2) GH18A & (1) GH15A blade. Be sure to match the part number from the owners manual for the part you are replacing with the OEM number listed below.