The Automann 5" Round Nohop Spring Seat is the perfect solution for your trailer axle needs. This spring seat is designed for a perfect fit and easy installation, providing your trailer axle with more support and secure alignment. It meets all the necessary safety and performance standards and is made with high quality materials for durability and longevity. The cutout on the flat side of the seat surrounds the raised knob on the leaf spring to prevent turning or shifting. With this Spring Seat, you can rest assured that your trailer axle is secure and safe. FleetPride is your First Click in Heavy Duty®.