1、Quick Release: The u bolt lock and spring loaded lever allow you to latch and release the part immediately, perfect for trailers, RVs. 2、Adjustable Clamp: The adjustable design ensures that you can accurately modify the mounting distance and required clamping force. 3、Practical Design: Versatile and time saving clamps are designed to hold and ensure your jigs and fixtures are in place, practical and reliable. 4、Exquisite Craftsmanship: Both clamps features a color coded red, and also has a non slip hand grip, professional performance brings you reliable use experience. 5、High Performance: Cold rolled steel clamping body surface coated with non damaging zinc plating, high strength alloy steel for long durability. 2 x U Bolt Toggle Clamps2 x Buckle  Item Type: U Bolt Toggle ClampsMaterial: Alloy steelLoad Capacity: 2000lbsStyle 40341 (Self Lock)Application: Used for trailer, RV