Stiffer butt section to optimise the energy transfer from the fl y line and a supple tippet that offers superior knot strength, incredible toughness and built-in shock resistance to deliver a more stealthy. Xrate Lb Tip Dia Length Code 7X 2 0.102 9' F-FHSBF9-2 6X 3 0.127 9' F-FHSBF9-3 5X 4 0.152 9' F-FHSBF9-4 4X 5 0.178 9' F-FHSBF9-5 3X 6 0.203 9' F-FHSBF9-6 2X 8 0.223 9' F-FHSBF9-8 1X 10 0.254 9' F-FHSBF9-10 0X 12 0.279 9' F-FHSBF9-12