This inflatable PFD re-arm kit 'F' is automatic and manual, and has the tools needed to re-arm Mustang manual inflatables after deployment. This kit is for use with models MD2951 and MD2953, and includes one 33-gram carbon dioxide cylinder, one green inflator pin, one automatic inflator bobbin (for use with automatic inflatable PFDs only), and a re-arming instruction manual. The kit measures 9.5 x 5.5 x 1.5 inches.