We've just launched a new product....The Oil Pump Kit. It easily and permanently oils your propane tank. Proper lubrication maintains and extends the life of your Gas Guns and Tornados. We've also combined the Oil Pump with our GunGas Kit into a combo kit, offering the an ALL-IN-ONE Kit to service your GBBs/Tornado Grenades. Both products are now available for purchase through our website. GunGas Oil Pump Combo coming imminently.