Product Info The Manual Inflator Re-Arm Kit contains everything necessary to re-arm your Mustang Survival Hydrostatic inflatable PFD as a manual device for safety/survival training with your PFD. For model numbers: MD3196, MD3196 SO, MD1250 and MD1250 SO. For extending the service life of your operational PFDs Mustang Survival suggests purchasing separate PFDs for in-water survival training if performed frequently. Contains (MA7224): 12 manual inflator caps with beaded handles 12 inflator bodies 12 cylinders, 33g Re-arm Tool Re-arming Instructions Documents FAQ's Warranty Info