When you want to create necklaces or bracelets quickly and efficiently, Fireline is up to the task. This is a microfused, braided bead thread consisting of Dyneema®, a gel-spun polyethylene which is known as the strongest fiber, per diameter, ever created. It has an unbelievably high tensile strength and has been recommended in numerous how-to articles on beadworking. Originally used in the fishing industry as a strong fishing line, the thread was adopted by the jewelry making community and has been super popular ever since. 125 yds per spool.