General description The Cement Grout Gun Mortar Joint Gun is a manual mortar pump designed for efficient application of cement and mortar. Constructed from high-quality ABS and stainless steel, it offers excellent toughness and durability. This mortar gun comes with four different nozzles to cater to various sealing and grouting needs. Technical specifications Gun body dimensions: 610 x 135 mm Nozzle sizes: 12 mm small round nozzle, 20 mm round nozzle, 35 mm flat nozzle, 56 mm mouth Material: ABS and stainless steel Piston: Non-deformable rubber piston Putter: High-density, wear-resistant Usage Compressing security doors Dismantling aluminum door frames and bed frames Sealing joints in large water areas Sealing large hydraulic projects Sealing highways Other information For initial use, apply a few drops of oil between the rubber plugs and the tube wall if resistance is too high. After use, rinse with water to prevent cement slurry from drying in the gun. After cleaning, apply a few