Manually-operated reel PA, electrically conductive, old No. 5308-20

Manually-operated drum reel made of polyamide, black, electrically-conductive, without lowering cable.
The manually-operated drum reels are used to lower dipping bottles and immersion cylinders safely to the required depth in shafts, wells and tanks and then to pull them up again. The manually-operated drum reels can be equipped with various cables or chains.
If flammable or highly flammable liquids are to be collected, then electrically conductive manually-operated drum reels must be used together with an earthing cable. The dipping bottles must be made of non-sparking metal.