Specifications: Rubber slurry is made of high-quality rubber. The thick rubber paddle measures 1.9 inches W x 4.9 inches L, with a minimum tensile strength of 725 PSI (5 MPa). Metal band is approximately 1.3 inches wide x 3.7 inches long. Bolts and Locking Nuts: Hex bolts are 5/16-18 x 1 inch coarse threaded with 5/16-18 locking nuts (install using a 1/2 inch wrench and socket). Package includes 9 self-locking screws; all screws are made of high-quality metal materials. Function: This snow blower impeller conversion kit reduces the gap between the snow blower's impeller blades and the impeller chamber wall. A smaller gap increases the machine's operating efficiency and snow-throwing capacity, and reduces the likelihood of snow clogging. Note: Before ordering, please verify that the part number of your replacement unit matches your unit. Color: As shown Material: Metal + Rubber Size: Thickness 3/8 inch Package Contents: 3 x Rubber paddles 3 x Metal straps 9 x Bolts and lock nuts 9 x Self-tapping screws Only the above package content is included; other products are not included. Note: Light reflection and differences in display screens may cause slight variations in color between the item in the image and the actual product. Measurement allowance is +/- 1-3 cm.