From Chevron

This  revolutionary flexible tungsten is easier to fix in place and tie over.

The rubbery surface is far less slippery than metal so thread turns stay put.

...Takes resin, glue and varnish well

...Is slightly elastic so holes and slots for hooks can be smaller, the fit is tighter and neater

3mm around 110mg

4mm around 240mg

5mm around 440mg

6mm around 750mg

20 beads per pack

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