The optional dripless feature of this caulking gun allows you to switch between the dripless and standard mode depending on the viscosity of the adhesive or caulk being used. The ergonomic grip design keeps your wrist in a natural position, allowing for ease of application for large projects. The ETS3000 is recommended for use with standard 10 ounce caulk and adhesive tubes. Key Features and Benefits Switch between dripless and standard mode Ergonomic grip keeps wrist in natural position Weighs approximately 40% less than comparable guns Recommended for use with standard 10 ounce caulk and adhesive tubes