3/8" Universal Snow Blower Impeller Modification Kit Compatible with Various Snow Blowers (3 Pack) Packing list: You will receive 3 rubber paddles, 3 metal straps, 9 bolts and locking nuts, and 9 self-tapping screws. Specifications: The rubber slurry is made of high-quality rubber, size 3/8", thick rubber paddle dimensions 1.9" W x 4.9" L, minimum tensile strength 725 PSI (5 MPA). Metal band is approximately 1.3" wide x 3.7" long. Bolts and Locking Nuts: Hex bolts are 5/16-18 x 1" coarse threaded with 5/16-18 locking nuts (install with 1/2" wrench and socket). Package also includes 9 self-locking screws; all screws are made of high-quality metal materials. Function: This snow blower impeller conversion kit reduces the existing gap between the snow blower's impeller blades and the impeller chamber wall. A smaller gap increases machine operating efficiency and snow-throwing capacity, and reduces the chance of snow clogging. Note: Before ordering, please verify that the part number of your replacement unit matches your original unit. Product parameters (3/8"): Packaging dimensions: 13 x 5 x 5 cm, weight: 450g. Note: All data measured manually; please allow 13 cm variation. Due to differences in lighting and display settings, colors may vary slightly. Actual product received may differ slightly in appearance.