-Nuisance free (accord with requirement of international environmental protection standard)

- A fishing sinker or plummet is a weight used to force a lure or bait to increase its rate of sink, anchoring ability, and/or casting distance. Tungsten, it is an ideal substitute of the traditional lead fishing sinker. As more and more attention is paid to pollution of lead to the environment, tungsten heavy alloy rapidly become the main material of fishing sinker, it has excellent characteristics.