Specifications: Rubber slurry is made of high-quality rubber, The size of the thick rubber paddle is 1.9inch W x 4.9inch L, with a minimum tensile strength of is 725 PSI (5 MPA). Metal band is approximately 1.3inch wide x 3.7inch long. Bolts and Locking Nuts: Hex bolts are 5/16-18 x 1inch coarse threaded with 5/16-18-locking nuts (install with 1/2inch wrench and socket). Package also comes with 9 Self-locking screws, all screws are made of high-quality metal materials. Function: This snow blower impeller conversion kit reduces the existing "space" between the snow blower's impeller blades and the impeller chamber wall. The smaller the space, the higher the machine's operating efficiency and snow-throwing capacity, and the less likely it is that the machine will become clogged with snow. Note:Before ordering, please make sure the part number of your new replacement unit matches your old unit. Colour:As Shown Material:Metal+Rubber Size:Thickness 3/8Inch Package Contents: 3 * rubber paddles 3 * metal straps 9 * bolts and lock nuts 9 * self-tapping screws 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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!