ELK 3 ton electric chain hoist with manual trolley Type HKDH0301S 1. Side magnetic braking device 2. Light but durable chain bag 3. Electromagnetic contactor 4. Inverse phase sequence protecting device 5. Light aluminum alloy shell 6. Limit switch 7. Approved by CE&GS 8. Chain: FEC 80 9. Highly effective, lightweight, easily-maintenance 10. Noise(single/dual speed): 81dB 11. Painting: According to your requirement 12. Prime quality in China