FireLine braided bead thread in Smoke Grey. This item has a 6lb test strength and is approximately 0.006" (0.15mm) in thickness and is 125yds (375 ft) long. FireLine is known for it' s strength and does not stretch or tangle. Perfect choice for beading or weaving projects containing Swarovski crystals and seed beads. Works well with beads that have sharp or rough edges.