High-grade brass head assembly ensures reliability and optimizes efficiency Coated steel levers built to withstand the hardest knocks 56 bar working pressure at 20°Cfor maximum fire fighting performance High voltage static electricity spra-paint external coating adds extra protection to withstand extreme temperatures, dirty environments and UV degradation Color coded area to establish at-a-glance contents recognition Unique tamper evident safety pin with ok indicator to reduce accident discharge. Warning notice on 2kilo horn