Skid Shoe / Murray 1740718AYPPack Size:1AYP 1740718AYP, Murray 1740718AYP, Murray 1740718HMA, Murray 780061MA, Murray 301380E701, Murray 301380E717MAOregon 73-059, Rotary 13042Murray Dual stage snowthrowers, 2007 and newerWidth: 3 ", Length: 3 1/4 ", Height: 3/4 ", Center To Center: 2 "