Item Name:24g CO2 threaded life vest cartridge Cartridge Material:Recyclable Steel Body Diameter:25mm Length:103mm Gas Filled:High Quality Pure CO2 Ar Neck Configurations:threaded 3 8-24 Coating:Zinc plating finish or Lacquered Packaging Qty:20pcs Starter Pack, 200pcs Master Carton Carton Measurement:545*275*125 (mm) Gross Weight (Master Carton):17.2kgs