Features: The caulking tool features a powerful thrust mechanism that minimizes friction, ensuring smooth and easy application for easy caulking tasks, ideal for seamless projects. flexible Compatibility Designed for both round and sausage pack adhesives, simply remove grip to change to round use, accommodating various adhesive types for flexible applications, enhancing adaptability. Equipped with a adjustable pressure relief mechanism; push up for quick adhesive cut off and down to increase travel length, boosting efficiency and reducing waste in heavy duty use. Streamlined round replacement process saves time and enhances productivity, maximizing adhesive utilization without hassle, perfect for efficient workflows. Crafted from premium ABS plastic and aluminum alloy, weighing 660g, this heavy duty caulking tool furnishes long lasting functionality for industrial and home projects, ensuring reliability. Specifications: Materials: Abs, Aluminum Alloy Product Shrinkage: 570mm/22.44inches guns barrels Length: 325mm/12.79inches guns Height: 210mm/8.26inches Package Includes: 1Pc Automatic Sealant Applicator note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!