The Williamson Speed Pro has been designed specifically for pelagic gamefish. Built tough to withstand the savage strikes and fitted with quality VMC hardware to handle any predator that eats it. Featuring the patent pending “Auto-Tune” free-moving line tie design is self-centring, automatically aligning the lure for consistent action at very high trolling speeds. With an optimum action at 6-10 knots but with the ability to troll up to 15 knots the Williamson Speed Pro is a highly versatile lure.