ADJUSTABLE: You can adjust the skid shoes depending on the depth of cleaning length 4 3/4", 2 3/4" center to center

FIT: Fits MTD 2-stage snow thrower models 1992 and after.Fits machines with 2-3/4" center to center bolt holes 3"W 4-3/4" L MTD, Troy-Bilt, Yard Machine.315E640F000(1995), 315E640F013 (1995),315E640F352(1995),316-610E147(1996),316-611D118(1996)