Dripless ErgoTech Series 29 Oz. 18:1 Thrust Industrial Cradle Composite Caulk GunEngineered to provide superior performance due to its many enhanced features including a precision cutter with a viewing port to check the angle of the nozzle cut and an extra long clean out rod that snaps in place when not in use. The rugged composite construction weighs up to 40% less than other models and has a reinforced cage for extra strength. The ergonomic grip has been designed to keep the wrist in a natural and balanced position for comfort.