It is great for coming through rocks and other underwater obstructions. Its shape allows them to stay on top of cracks and narrow gaps in the rock, and the higher density of their tungsten composition makes it much more compact than comparable lead weight.
Tungsten fishing sinkers are weight used in conjunction with a fishing lure or hook to increase its rate of sink, anchoring ability, and casting distance.
Fishing jigs which compose of metal alloy sinker and a hook are one type of fishing lures and are one of most productive baits today, especially in water clarities from slightly murky to clear.
Tungsten worm weights, also called tungsten barrel weights in some countries, are known as "Diamond Series" because of they are drilled, beveled and diamond polished to avoid damaging the line.