Cement caulking gun: The gun body is made of ABS material, with good toughness, high strength and durability. Highly sealed pusher: Highly sealed rubber push rod, resistant to wear and deformation. And the cement slurry can be easily pushed out. Convenient: The handle surface has anti-slip treatment, the grip is comfortable. Easy to disassemble and clean. Tip: Please rinse with water before the cement slurry has dried, so as not to remain in the gun body. Application: Mainly used for grouting when installing anti-theft door fire doors. Fill the gantry, aluminum window frames and cracks in the wall. The body size is 63*14cm, with 4 different nozzles, 12mm small round mouth, 20mm big round mouth, 35mm flat mouth and 56mm big flat mouth. Feel free to contact us if you have any questions.