RIO’s Powerflex Wire Bite Tippet is a tough, flexible nylon-coated wire that’s perfect for those sharp toothed critters. This knot-table, braided wire is supple enough to tie directly to the fly. 15 feet on each spool. Tough, flexible, nylon-coated wire that is super easy to tie a knot with – ideal for sharp-toothed critters like Pike, Musky, Barracuda and Bluefish.