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, this tool offers excellent toughness and durability, ensuring a long service life. It features a high-density, wear-resistant putter and a non-deformable rubber piston, allowing for easy pushing of cement. Technical specifications Gun body dimensions: 610 x 135 mm Nozzles included: 12 mm small round nozzle, 20 mm round nozzle, 35 mm flat nozzle, 56 mm nozzle Includes 1 spare rubber piston 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, if resistance is high, apply a few drops of oil between the rubber plugs and the tube wall After use, rinse with water to prevent cement slurry from drying in the gun After cleaning, apply a few drops of oil on