Sunline V Hard is manufactured from 100% fluorocarbon and has superior knot strength and abrasion resistance with an increase of up to 30% over other Fluorocarbon leaders, this is achieved while still maintaining good suppleness. Triple Resin Processing gives this 100% fluorocarbon leader a hard finish helping to resist abrasion and increase knot strength. A hard protective case houses the spool so you can store the line amongst your other gear without damaging the line. V Hard is Sunline’s No.1 Fluorocarbon leader.