Gilmour Salt Water and Marine Nozzle 474S Gilmour Marine Poly Full Size Pistol Grip Nozzle This rust proof, impact resistant full size nozzle comes with a polymer valve assembly and features a rust resistant stainless steel spring An excellent nozzle for use around a marine Also has a fixed adjusting nut to set & hold your spray pattern Salt water marine nozzle Nozzle resists the corrosion caused by use around salt water Durable polymer body Includes an internal spring mechanism of stainless steel Self-adjusting duck packing for lifetime leak proof seal