Snow Thrower Paddle Scraper Bar Belt For MTD 21 753-04472 731-1033 954-0101Snow Thrower Paddle Scraper Bar set. For MTD 21 New Style. Fits Models: MTD Single stage snowthrowers, 2004 and newer. Specs: Half round paddles are 1 7/8″ W x 11 1/4″ L x 1/4″ HT Half round paddles have 4 mount holes Rectangle.