This 3pcs stainless steel bolts and washers is designed for riding mowers and turn mowers, offering fastening with resistance. These 1 1/4" x 7/16" 20 bolts ensuring perfect fitment for specific replacement parts like models 532193003 and 539107522. Made from high grade stainless steel, these bolts withstand harsh outdoor conditions while maintaining structural integrity during intense mowing operations. These bolts provide secure attachment with included washers for enhanced stability. Before installation, check your machine's required part dimensions (1 1/4" x 7/16" 20) to ensuring proper compatibility with your mower's assembly.