Ask a QuestionDescription:The funnel-shaped charging port adopts a funnel-shaped design, which is convenient for charging and quickly improves working efficiency. The tail adopts a labor-saving bearing design, which greatly improves the working stability and discharge efficiency. Equipped with 4 removable 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 simple application of plaster, mortar and plaster. You can use automatic sealing machine from air compressor, spray mortar, stucco, stucco, small spray ladder, ground mixture and more. Features:Name: automatic sealing machineMaterial: alloy steelFunnel size: 19.5*20*13cmHandle length: 9cmNozzle size: 15mm, 17mm, 20mm, 40*10mmProduct List:1*automatic sealing machine (without hand drill)4*alternative nozzles