Bohning Lightning Lube - Bohning Lightning Lube is a crossbow rail lube. Silicone based, non-toxic and non-flammable. Provides a protective film reducing friction and increasing the velocity of your crossbow bolts. Lightning Lube will not collect dirt and grit like some lubricants and is completely scent free. The no mess applicator allows smooth, even application. Fills all surface imperfections. Lightning Lube Rail Lube .25 oz