The Sufix 100% Fluorocarbon Invisiline Leaders have ultra-low visibility and superior strength and handling. This crystal clear fluorocarbon leader is virtually invisible in water. It offers incredible shock absorption, high tensile/knot strength as well as superior abrasion resistance. It is also impervious to ultraviolet rays that can be damaging to lines. Length: 33 Yards. 2 lb. Test: 0.005" diameter. 4 lb. Test: 0.007" diameter. 6 lb. Test: 0.008" diameter. 8 lb. Test: 0.011" diameter. 10 lb. Test: 0.012" diameter. 12 lb. Test: 0.013" diameter. 15 lb. Test: 0.015" diameter. 30 lb. Test: 0.02" diameter. 50 lb. Test: 0.028" diameter. 60 lb. Test: 0.031" diameter.