1.High elastic spring with double pawl brake system design featuring stable operation and smooth braking. It is all significant for improving the security and dependability of the braking system through designing dust cover of braking system.
2.Double chain guide mechanism in flanged load sheave and guide roller facilitate smooth movement of the load chain.
3.Rolled-edge hand wheel cover.This provides smooth operation of the hand chain when pulled sideways.
4.Light weight and easy handing.
5.High efficiency and small hand pulling.