Rearming Kit for Ocean Series Hydrostatic Inflatable Life Jackets, Model numbers 17265786, 17265729, 17265778, 17265810, 17265760, 17265737, 17265836, 17265794, 8503674 and 14298632.Kit contains everything necessary to re-arm your automatic hydrostatic inflatable life jacket after deployment:CapBody33g CO2 cylinderMetal keyRe-arming instruction manual