Optimal Performance: Keep your Byrna operating at its best with our Oiler Kit Maintenance Schedule: Perform basic preventative maintenance every 500 shots or as needed Kit Includes: One (1) Oiling Guide One (1) Oiling Tube One (1) Nylon Wired Loop Brush Composition: Mineral lubricant oil Instructions: Oiling instructions are available in the Byrna Operation Manual on page 26