1. Stainless Steel Construction: Crafted from high-quality stainless steel, this mortar grout gun superior resistance to wear, impact, and corrosion, ensuring reliable performance and long life for demanding applications. 2.Powerful Seal and Extra Rubber Ring: Designed with a high-seal rubber ring and an additional replacement included, this grout gun delivers strong suction for efficient, leak- cement and mortar application. 3.Five Versatile Nozzle Options: Equipped with five interchangeable nozzles—flat, round, and bent—this cement caulking gun handles a variety of tasks, such as grouting door frames, filling aluminum bed edges, and sealing road gaps. 4.Smooth Push-Pull Operation: Featuring a comfortable, reinforced handle and smooth push-pull operation, the Cement Caulking Pump minimizes effort while maximizing work efficiency, even during extended use. 5.Large and Efficient Capacity: With a 28.7-inch length, a 17.7-inch stainless steel barrel, and a 2.4-inch diameter, this grout gun mortar can handle large quantities of material, reducing the need for frequent refills and improving efficiency. 6.Versatile Material Compatibility: Capable of dispensing cement, lime, joint sealants, and beautifying agents, this cement caulking gun adapts to a wide range of projects, making it ideal for both professional and DIY applications. 7.Quick and Precise Application: Designed for efficiency, the powerful suction system allows cement mortar to be drawn into the gun and injected precisely where needed, delivering professional-grade results with minimal effort.