This light weight Rubi Grout and Mortar Gun is made of aluminum and allows an easy, quick and clean application of grout and mortar. Economizes grout and reduces cleanup. Pressure adjustable with trigger. Replaceable and adjustable nozzles to the joint width. Also usable for the application of silicone and PU rigid and flexible cartridges. 25.36 Fl.oz / (750 cc) capacity.