This replacement poly spinner hub is specifically designed for use with SaltDogg® Spreaders 1490757SSE and 1490957SSE, providing a secure and efficient solution that will enhance the performance of your spreader. With its durable construction and precise design, this hub ensures even distribution of salt, making it a cost-effective and reliable choice for any winter weather needs. Don't settle for subpar performance - upgrade your spreader with this high-quality replacement poly spinner hub today.