1 Quart Ratchet Caulk Gun -Ergo composite caulk gun provides good performance -Rugged composite construction weighs up to 40-Percent less than other models -Ratchet-style pressure rod has teeth to hold the rod in place after each pull of the trigger for minimizing drips -Revolving frame allows cartridge to rotate for maintaining bead orientation when caulking around corners -Spout cutter built into side for opening cartridges without a knife -Hook on the back for hanging it on a ladder -Retractable seal puncture tool