Z-Man's Rattle-Snaker Tungsten SpikeZs are designed specifically for use with the Rattle-Snaker tool. These new tungsten nail-sinkers can be “injected” cleanly and easily into ElaZTech softbaits and, of course, conventional soft baits as additional weight. The Tungsten SpikeZ are designed to be conical with fine ribs so that they hold perfectly in soft baits. They are suitable for Neko rigging and for adapting hover-strolling baits, wacky rigs or simply for giving perch and other fish a unique lure action and a higher sink rate. They are made of high-density tungsten for a minimal size-to-weight ratio.