New custom Kila formulated recipe with medium viscosity designed for sustained lubricity, durability and sealing power for all markers versions including spool valves. Will not swell o-rings. Extreme durability stays on parts and seals in all weather conditions. Offers unmatched co-efficient of friction properties for the smoothest part to part interaction and long lasting performance. Small 1/2oz tool-box size for the occassional baller.