1.The electric spray gun to replace the artificial fillers construction, 2.caulk gun high efficiency,energy 3.spray gun 1.The electric spray gun to replace the ... . Mostly used in the construction of artificial strips of wood, iron or even by hand, then a small amount of binder ... 60kgs;Colour:red,blue,yellow,common colours are all available;Iron flat thickness:2.2mm;Diameter of pistol rod:7.8mm ...