Excalibur Crossbow Ex-Lube -Rail Lubricant 92898. This odor free non-toxic lubricant comes in a handy tube and continues to work in even the coldest hunting conditions. Specifications for Excalibur Crossbow Ex-Lube -Rail Lubricant: Manufacturer: Excalibur Crossbow Color: Clear Additional Features: Rail Lubricants Features of Excalibur Crossbow Ex-Lube -Rail Lubricant: Non Toxic Odor Free Works in the coldest hunting conditions Package Contents: Excalibur Crossbow Ex-Lube -Rail Lubricant Designed to extend the life of your strings serving and maximize the speed of your crossbow by reducing friction. This odor free non-toxic lubricant comes in a handy tube and continues to work in even the coldest hunting conditions.