Built to perform the way you need it, the Suppleflex(R) Tippet provides fly fishing anglers with a reliable addition to their tackle. It is made from extremely soft and supple nylon, making it excellent for subtle presentations. In addition, it is strong and has incredible knot strength. The RIO(R) Suppleflex(R) Tippet is ideal for the trout angler using smaller flies. FEATURES: Made from extremely soft and supple nylon Strong with excellent knot strength Ideal for flies and subtle presentations SPECS: Size: 7X Model: 6-22040 Line Size: 7X Pound Test: 2 lbs. Length: 30 yds. Diameter: 0.004 in. Size: 6X Model: 6-22041 Line Size: 6X Pound Test: 3 lbs. Length: 30 yds. Diameter: 0.005 in. Size: 5X Model: 6-22042 Line Size: 5X Pound Test: 4.7 lbs. Length: 30 yds. Diameter: 0.006 in. Size: 4X Model: 6-22043 Line Size: 4X Pound Test: 6.1 lbs. Length: 30 yds. Diameter: 0.007 in.