Replaceable Scraper Bars 731-1033 Model Snow shovel wear strip replacement 706-14240, 731-0722, 731-0778, 731-0778A, 731-0812. Compatible with MTD Snow Thrower The snowblower replacement parts 731-1033 compatible with all 20-Inch and 21-Inch MTD snow throwers, also compatible with 20-inch and 21-inch Cub Cadet, Troy-Bilt, Yard Machines, Yard Man, Remington, Craftsman snow blowers. Dimension of 731-1033 Snowblower Scraper Blade L x W: 19.8 x 2.58 inch. This snow shovel plate contains replacement parts nuts and washers. Easy To Install Align the new shave plate 731-1033 model with the installation holes at the bottom of the snow blower and ensure that the scraper fits the curvature of the sled completely. Pass the bolts from bottom to top through the holes of the scraper and the sled, and then put on the washers and nuts at the top. High Quaility Material The thrower scraper blade Made of high-strength wear- resistant POM material, it features excellent toughness, low-temperature impact resistance and super wear resistance, effectively resisting ice and snow friction as well as ground impact.