Skid Shoe / AYP 178777X479Pack Size:1AYP 178777X479, AYP 532 17 87-77, AYP 178777X431, AYP 184094, AYP 532 18 40-94, AYP 532 43 61-25, Poulan 178777X479, Poulan 532 17 87-77AYP most snowthrowers 2002 and newer; Craftsman most snowthrowers 2002 and newer Right hand, Height: 3 ", Length: 4 1/4 ", Thickness: 7/8 "