One-Shot 10 Oz Case Lube Spray by Hornady Bullets and Ammunition Hornady One Shot lube is a non-hazardous and dry type lubricant. It can be safely used on all brass and tools for your reloading needs. Its main features are: Extends the life of dies and tools It is a high pressure micro penetrating film Eliminates the mess of liquid or paste lubricants Can improve the damage on cases during extraction Will help to eliminate jamming of full and semi-automatic firearms Will not degrade or harm primers or powder