STROFT NiTi Polywire - The best Predator Leader STROFT NiTi Polywire is the go-to choice for predator anglers who demand maximum performance. Made from premium nickel-titanium (NiTi) with unique superelasticity. It bends extremely but always snaps back into shape. Length: 2 m Why choose Stroft STROFT NiTi Polywire? No crimps or tools needed, simply tie a 4-turn clinch knot Up to 100% of the linear breaking strength in thinner diameter Maximum bite resistance against pike and other predators Excellent shape memory: stays straight and tangle-free Non-reflective surface for stealthy presentations Ideal elasticity (8%) for perfect shock absorption during the fight Diameter (mm) Breaking Strength (kg) 0.20 3.1 kg 0.25 4.9 kg 0.30 8.0 kg 0.35 14 kg 0.40 18 kg