All-in-one scent-free crossbow bowstring care combo. OMP string wax is formulated to penetrate deeply into the string fibers protecting them from weathering effects. Provides UV protection for all bowstrings. Orange wax applies clear. 1oz. tube. OMP rail lube creates a slippery surface for your string to glide across improving shot consistency and arrow velocity. Helps reduces center serving wear. Size: 0.5 oz bottle.