Grout Gun - Internationally Patented for Grouting and Pointing Easy grout loading simply twist off the barrel, top load, twist back and your back to grouting Patented robust finger operated trigger feed and return mechanism featuring instant pressure release Fast accurate placement of grout with excellent penetration of grout into each joint. A larger than most 1 1/3 quart barrel (1.4 litre)that can be used to its full capacity Simple twist release gives access to all grout parts for a quick water hose clean up after use