Sufix Invisiline™ 33 yd 60 lb Clear Fluorocarbon Leader Line (683-060) by Rapala®. Sufix 100% Fluorocarbon Invisiline™Leaders has ultra-low visibility and superior strength and handling. Crystal clear 100% fluorocarbon leader that is virtually invisible in water. With incredible shock absorption, high tensile and knot strength and superior abrasion resistance.