Use the pneumatic 16572 Pistol Grip Sealant Gun Combo to apply smooth, uniform material exactly where you want it. The 16572 Pistol Grip Sealant Gun Combo Comes with body, 10ft. hose, 2 1/2 oz. and 6 oz. zinc-plated, corrosion resistant retainer, to prevent cartridge split. The 16572 Pistol Grip Sealant Gun Combo features a Hanson-style air fitting on hose.