AES Industries AES-76005 Caulking Gun with Rotating Barrel, 11" Length, Heavy-Duty Construction, Professional-Grade Caulking The AES Industries AES-76005 Caulking Gun with Rotating Barrel is a professional-grade tool designed for efficient and precise application of caulking materials. Its robust construction ensures durability and longevity, making it ideal for demanding industrial applications. This caulking gun features a rotating barrel mechanism that significantly reduces hand fatigue during extended use. The ergonomic design contributes to ease of use and improved operator comfort. This tool is an invaluable asset for maintaining and repairing trucks and heavy-duty vehicles, ensuring a high-quality seal against the elements.