1. Material: steel + plastic 2. Not easy to deform 3. Can hold 6 padlocks 4. Use environment: chemical factory, electrical factory 5. The surface of the lock hook is chrome-plated, which can prevent rust and scratches 6. The handle is corrosion-resistant, impact-resistant, high-strength, and has a circular arc design for comfortable hand feel 7. Six-hole design, which can be locked by 6 people at the same time, to achieve the purpose of multiple people managing the same energy source 8. Scope of application: oil and gas, chemical industry, electric power, nuclear energy, logistics and transportation, machine manufacturing 9. Lock hole diameter: 10.8mm 10. SH01: hook diameter 25mm, SH02: hook diameter 38mm 11. Unit weight: SH01: 0.1kg, SH02: 0.11kg