One-Shot 5.5 Oz Case Lube Spray by HORNADY RELOADING TOOLS One Shot Case Lube is the most popular reloading cartridge and tool lubricant in the market and because; Case Lube is a dry film "Boundary" lubricant that is non-hazardous and does not contaminate powders or primers and and the "DynaGlide"™ technology exceeds US Military & NATO load carrying capacity requirements by 6 times. Precision shooters appreciate One Shot Case Lube’s clean and non-sticky and quick and easy application when loading large volumes of rounds at a time. The flexible all-purpose dry film lubricant use on their other reloading tools is a major bonus. Lube entire blocks of cases in one shot. Dries in minutes. One Shot is a non-petroleum product that will not contaminate powder or primers