ELK 2.5 ton electric chain hoist with hook Type HKD1004S 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. Chain strips: 4 10. G. W.: 330KGS 11. ISO: M5 /FEM: 2AM Insulation grade: F 12. Protection class (hosit and push button): IP55 13. Highly effective, lightweight, easily-maintenance 14. High quality with most competitive price