Snowthrower skids 73-059 replaces 1740718AYP,780061,780061MA,301380E701fits some 2 stage snowthrowers, this is a set of two pieces. Measures 3.0 by 3-1/4 inches and is 3/4 inch thick, with a hole spacing of 2.0" between centers with a slot width for 5/16 / 8mm bolts.
2inch center to center spacing allows these to be used on a Toro 352.1/421/521 a good substitute for Toro PN 40-8160-01, 40-8160-02
Also available in Black
https://www.ebay.com/itm/174537543144