The Merritt Equipment Aluminum Dyna Clamp Kit is the perfect solution for mounting and securing your equipment. This kit includes 21" U-bolts that can be mounted with the U-bolt up or down position. The metal surfaces are zinc plated for durability and appearance, and stress blocks are included to fit between the U-bolt and the mounting surface. This kit is easy to install and provides a secure and reliable hold for your equipment. With its strong and durable construction, it is the perfect choice for any mounting job. FleetPride is your First Click in Heavy Duty®.