HIGH QUALITY MATERIAL--New and durable material, with strong toughness.Stainless steel push rod, push and pull smoothly. Strong sealing performance, wear resistance.Detachable parts, easy to operate. UNIQUE DESIGN-- Push and pull comfortable. Our Cement Caulking Tool adopts the design principle of a syringe, instead of the traditional manual caulking technology, the gap can be completely filled by pressure. Grouting gun with nozzles,perfect for your home improment. SAVE TIME--This spray gun can save you a lot of time, you can buy it back as a spare product, you don't need to worry about taking up space. Strong handle, push and pull comfortable. WIDELY APPLICATION--Decoration, building. Full filling, prevent the water leakage, fits for normal grout, epoxy grout, etc.It can also be used for grouting when installing anti-theft doors and fire doors. Effectively fill cracks in gantry, aluminum window frames and walls.