This shear pin bolt and nut set model 707555 is specially designed for two stage snow blowers from 2017 2018 production years, ensuring seamless brand compatibility for your equipment. Made with rust resistant and heavy duty metal materials to withstand harsh winter conditions, solving common issues of traditional shear pins rusting or breaking prematurely. Features an design that requires not special tools, allowing users to quickly replace damaged parts and get their snow blower back in working condition promptly after heavy snowfalls. These shear pin bolts not only fit snow blowers perfectly but also effectively protect internal gears from damage, reducing maintenance costs for frequent snow blower users. Specifically engineered for northern regions, maintaining stable in extremely low temperatures to help users clear snow efficiently and ensures safe passage during winter storms.