Sunline Nylon Leader Big Game Shock Leader 50m #18 80lb 0.700mm (6009)Heavy duty nylon shock leader designed for big game fishing. 80lb breaking strength, 0. 700mm diameter, 50m length. Low stretch for better hooksets and shock absorption during powerful runs. Highly visible white color for bite detection. Good abrasion resistance for rough conditions and toothy fish. #18 size fits most big game reels and rigs. TARGET USE: Big game species like tuna, marlin, or large sharks where heavy shock absorption is required