Newborn Octogun caulking tool is designed for precise sealant application. It uses 1/10-gallon cartridges and features a technology that prevents dripping and produces smooth, even beads. With a thrust ratio of 10:1, it offers excellent control over sealant flow for clean application. Various nozzles are included to simplify tasks. A built-in cutter allows for easy opening of the cartridge tip, and a scraper is provided for removing old material. The hex rod and handle move smoothly and quietly.