This blade modification kit is designed to clogging issue by reducing the space between impeller blades and discharge chute; Increased snow blowing efficiency and increased snow throw distances, Quality rubber pad for long time use under extreme weathers The 3/8inch thick paddles are 50% thicker and so are considered to be "heavy duty". 3/8 inch thick rubber paddles last longer and handle a heavier load of snow than the 1/4inch thick paddles, Generally, the heavier, wetter and the snow, the thicker the rubber paddle for greater performance. Tired of manually cleaning snow between the impeller blades and discharge chute? Try our snow blower impeller modification kit to the problem Product Dimensions: The Size of rubber paddle: 5inch length x 2inch width x 3/8inch thick - Size of metal strap: 3-2/3inch length x 1-3/8inch width x 1/16inch thick, Installation Precautions: If the varies around the chamber wall, you MUST install the rubber to fit the spot where the is the smallest, otherwise, the rubber fail, The rubber paddles mounted should be installed so they are barely touching. If you have a single-stage snow blower, or your is less than 1/4inch or 5/8inch, you probably don't need or can't use this fix, Weight: 1.25002102554 Pounds, Manufacturer: Jaywool