Large deployment charge container. The SafeEject EX is designed to be used with a backup altimeter for redundancy. Instead of using two separate charges, you will use two ignitors in the same SafeEject EX. If you need only one electric match in the SafeEject EX, plug the second hole with a scrap piece of ignitor wire.The SafeEject has the following features:Designed for use with 2 electric matches.Capacity: more than 5 grSealed rear end to protect electronics from residues.High quality finish for long life.Package includes:Charge container.Rear Closure Disk.Rear Closure Bolt (hex head).Wooden dowel.1 gram measuring cup.Detailed instructions