Bobbins are used when trawling for bottom-living fish. They are fastened in a line in the lower part of the trawl where they are in contact with the bottom. 

To protect from wear the bobbins are dressed with a strip of HARDOX 

Other types of weights exist.

Coils with a Hardox 500 strip.
Coils with a Hardox 500 strip.

See also:


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