Powerflex Tippet is a high tech, high tenacity copolymer with excellent knot strength and PTFE coating for abrasion-resistance and elongation averaging 26%. Sometimes called double strength nylon. Used for all species, light gray provides superb camouflage in any subaquatic environment. Available in diameters 8x - .025 inches (0.076 mm - 0.635 mm). 30 yd (27.4 m), single spools most sizes. Extra quantity guide spools, 110 yd 7x - 2x (0.102 mm - 0.229 mm).