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 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 50percent 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 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 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 will 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 NOTE: Please Match The Part Number With Part Number On The Old Part To Fitment Before Purchasing. Before starting the installation, remove the spark plug cable to insure your Colour:As Shown Material:Stainless steel + rubber Size:B:1/4inch 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) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.