Wildfire braided bead thread made by Beadalon in Black. This item has an 12LB test strength and is approximately 0.008" (0.20mm) in thickness and is 50yds (150 ft.) long. Wildfire can't be pierced and has nearly zero stretch and doesn't fray. It with needle. Perfect choice for beading or weaving projects containing Swarovski crystals and seed beads.