Formulated specifically to keep your Tippmann marker operating at peak performance. Lubricates o-rings for long lasting performance. For use with all blow back markers: 98 Custom, A-5, U.S. Army, TPN, SL68-II, and X7 (non-Phenom) plus other brands of blowback guns such as Spyders, etc. Comes in a .08 oz. bottle.