Thick Stamped Steel Body: Reinforced metal shell maintains stable structure under frequent opening and closing Built-Tension Internal Spring: Consistent elastic force keeps the bolt firmly engaged to avoid accidental opening External Pull Ring for Easy Operation: Circular pull tab simplifies one-hand unlocking without extra tools Flat Weldable Bottom Base: Smooth base surface enables seamless welding onto all compatible metal frames Multi-Scenario Usage: Great for small cargo trailer retrofitting, livestock transport gate assembly, outdoor utility storage door installation, workshop equipment cabinet locking and mobile utility cart construction, Manufacturer: Hzomif