Features: 1. Made of stainless steel, durable and stable, with mirror polish appearance. 2. Side hole of plugging into pin to prevent loosening. 3. Spring inside to reduce vibration, can keep prepressing to connection. 4. Concealed toggle latch, better visual effects, compact structure. 5. With lock cylinder and keys, with anti-theft function, enhancing security. 6. Widely used in flight case, marine equipment, advertising box, wooden box, toolbox, etc.