Product Description: The funnel-shaped charging port adopts a funnel-shaped design, which is convenient for charging and quickly improves work efficiency. The tail adopts a labor-saving bearing design, which greatly improves the working stability and discharging efficiency. Equipped with 4 detachable nozzles, threaded detachable design, flat nozzle, round nozzle, easy to use, different nozzles can be used according to different scenarios. Very convenient for spraying in confined areas, quick and easy application of plaster, mortar and plaster. You can use the Automatic Caulking Machine with air compressors, mortar spray, stucco, stucco, small ladder shotcrete, ground mix and more. Features: Name: Automatic Caulking Machine Material: alloy steel Funnel mouth size: 19.5*20*13cm Handle length: 9 cm Nozzle size: flat mouth 13*48mm round mouth 20mm small round joint 13mm Product List: 1* Automatic Caulking Machine (excluding hand drill) 3* Alternative Nozzles