Beadsmith Fireline Braided Bead Thread, 4-Pound, 125 Yards (Smoke Grey). Features : EXTRA STRENGTH: This gel-spun polyethylene is known as the strongest fiber per diameter.. JEWELRY MAKER'S FAVORITE: This is a must-have in any beading kit, as it's a maker's go-to thread.. NO BROKEN THREADS: Because Fireline is such a strong thread, it won't break in the middle of your beading masterpiece.. GOODBYE TANGLES: Tired of unraveling tiny knots? Our pre-waxed thread won't tangle.. THE BEADSMITH: We have been committed to selling quality jewelry making tools for over 30 years.