Reliability Delivers stable, reliable performance; secures and positions parts to prevent movement or loosening; features a spring latch and spring locking pin for secure attachment. Broad compatibility Ideal for mechanical engineering, automotive, and furniture industries; meets a wide range of application requirements; compatible with spring latch pins and retention pins. Multi‑purpose design The self‑locking pull knob with spring pin, pull rod and positioning pin is versatile and flexible; supports interchangeable latch springs and trailer‑gate latches. Flexible design The self‑locking pull rod with knob head and spring pin is suitable for many applications; includes round spring plungers; robust, stainless steel, spring‑loaded latch. Use scenarios - Securing access panels and guards in machinery where vibration could cause loosening. - Fastening and positioning automotive interior trim or removable panels for easy service. - Locking trailer gates or similar enclosures with a reliable, repeatable latching mechanism.