When you want to create necklaces or bracelets quickly and efficiently, S-Lon Fire is up to the task. This is a micro fused, braided bead thread consisting of 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 for various bead weaving and jewellery making projects. S-lon Fire 8lb. test with a .007in/.17mm diameter and 50 yards. For stringing and weaving we suggest English beading needles. Use a #12 for 2-6lb. test and a #10 for larger diameters “