RIO Suppleflex Tippet Material: nylon Overall Length: 30 yards Size: 7 X, 6 X, 5 X, 4 X Test: [7X] 2 lb, [6X] 3 lb, [5X] 4.7 lb, [4X] 6.1 lb Diameter: [7X] 0.004 in, [6X] 0.005 in, [5X] 0.006 in, [4X] 0.007 in