Tajima CNV-100LT 1/10-Gallon Convoy Lite Feather Weight Caulking Guns, 2-Pack Ultra-light caulking gun, 37% less weight than comparable-sized guns Unique barrel removes with a twist for fast and easy tube-changes Full release of the handle automatically disengages plunger, stops flow Barrel access ports allow tube / nozzle angle rotation to match surface Ladder hook and eyelet to attach to a safety strap