The hunter's signal is needed to give saving signs or warning signals. A special starting device helps to launch signal cartridges vertically upwards. This kit does not include such a device, but it can be purchased separately. The material from which signal cartridges are made, which are included in the kit, is aluminum. To launch, you need to hit the built-in primer with the striker. The set itself is Hunter's Signal No. 3 - a set of pyrotechnic rockets, which are made in the form of cartridges. in upaforging contains 15 rockets, 5 each of yellow, red and green. This set is used by tourists, fishermen, rescuers.