Japan’s top tungsten company is now in the USA. TheReins TG Tungsten Slip Sinkersare composed of 95% tungsten and 5% nickel alloy, making them 1.8 times as dense as lead and 40% smaller than their lead counterparts. These characteristics combined with Reins precisely designed shapes translate into easier penetration of cover and less hang-ups on bottom structure, as well as, increased sensitivity. Reins also uses an inner core system to protect your line from frays because nobody wants to lose a big fish due to line wear from their sinker. Available in a wide range of sizes and colors, the Reins TG Tungsten Slip Sinkers deliver the ultimate in performance.