Buffered by light weights for bottom fishing sinkers 20-30-40-50-60 grams
As you can see it is not circular like normal but sinkers pear-shaped ellipse, this reduces tangles as it aligns with the current and limits the twisting of the beam. The engagement ring is of circular form of wide section (4mm) the wire is much less stressed to the node with respect to a plummet with the ring steel usually from 0.7-1.0 mm in diameter.