This blade modification kit is designed to eliminate clogging issue by reducing the space between impeller blades and discharge chute; Increased snow blowing efficiency and increased snow throw distances, Quality durable rubber pad for long time use under extreme weathers 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, The 3/8inch thick paddles are 50% thicker and so are considered to be "heavy duty". 3/8 inch thick rubber paddles will last longer and handle a heavier load of snow than the 1/4inch thick paddles, Generally, the heavier, wetter and deeper 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 eliminate the problem Installation Precautions: If the gap varies around the chamber wall, you MUST install the rubber to fit the spot where the gap is the smallest, otherwise, the rubber will fail, The rubber paddles mounted should be installed so they are barely touching. If you have a single-stage snow blower, or your gap is less than 1/4inch or greater than 5/8inch, you probably dont need or cant use this fix NOTE: Please Match The Part Number With Part Number On The Old Part To Ensure Fitment Before Purchasing. Before starting the installation, remove the spark plug cable to insure your safety Colour:As Shown Material:Stainless steel + rubber Size:A:3/8inch thick Package Contents: 3 x Rubber Paddle 3 x Metal Straps 9 x Bolts & lock nuts(Screw styles are random, no specified styles are accepted)