Scorpion Venon Crossbow Rail Lube for strings that last! Rail Lube is a must-have (at least if you want your strings to last more than a season), and Scorpion Venom is among the very finest! Chemically composed to provide extreme slip without tack, with no more wax buildup, friction, or serving separation. Easy to apply, too, with the built-in applicator. Add arrow velocity and string protection in one pass with Rail Lube from Scorpion Venom. Order yours today! Please Note: Label has changed, but product is the same. Scorpion Venom Crossbow Rail Lube