Heavyduty Surflon Leaders are made with AFWs Black, nylon coated Surflon 1×7 stainless steel wire and high quality Sleeves, Swivels, and Lock Snaps Leaders are doublecrimped for extra strength and are great for many types of toothy game fish Surflon is also available with Blood Red nylon coating as Bleeding Leaders AFW E030BL123 Surflon Leaders Nylon Coated 1×7 Stainless, Sleeve Swivel, LockSnap, 30 lb 14 kg test, Black, 12 in 305 cm 3 pc.