The Fox EDGES™ Naturals Leader Silicone was developed for use on submerge and leadcore leaders. These are used in combination with the Fox 5mm Tungsten Beads or the 6mm Tapered Bore Beads. The Fox EDGES™ Naturals Leader Silicone is perfect for building Chod/helicopter rigs. The “Naturals” color in dark green is very inconspicuous. Delivered in recyclable cardboard packaging. Contents. 1.5m.