1. Material: PVC+Steel+Copper 2. 13mm thick locking column, not afraid of violence to cut the lock, not easy to be pried out 3. Bottom switch design, to avoid rainwater entry, outdoor rainy days can also be used 4. Waterproof ring design of the lock beam, high strength waterproof, no water stains inside the rainstorm 5. Angle grinding, high hardness, not easy to deform 6. Thickened blade, padlock anti-pick and anti-smash anti-open 7. Multi-specification options, applicable to a wide range of scenarios 8. Alphabet print design, lovely and durable