Spring for a 20 meters long hose reel

Size:1.2(T)*80(W)*20000MM(LONG)

1. Material: 62SI2MNA or SK5
2. The inner diameter is 70mm
3. The nominal outer diameter of the spring is 330mm
4.  Length of the spring sweep is 20 meters
5. Number of transition coils is 6-7 coils

Good quality and fast delivery