FireLine braided bead thread in Smoke Grey. This item has an 8LB test strength and is approximately 0.007" (0.18mm) in thickness and is 50yds (150 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.