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 weathersProduct 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 problemInstallation 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 don't need or can't use this fixNOTE: 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 safetyColour:As ShownMaterial:Stainless steel + rubberSize:B:1/4inch thickPackage Contents:3 x Rubber Paddle3 x Metal Straps9 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.