Positive locking lever with 12 locking positions Delrin bearings and internal locking mechanism offer smooth adjustments, secure positioning and prevent movement Rugged, sure-grip knob adjusts and locks-in desired height & laydown position for safe trailering and navigation under bridges Stainless steel arm with locking feature ensures TACO outriggers remain securely in place Designed for use with standard 1-1/8" butt OD outriggers Engineered for durability and lasting performance Quality backed by 3-year warranty