Can be used as a mortar gun, grouting gun, sausage gun, bulk-loading gun and caulking gun. Kit includes 2 round and 2 rectangular black nozzles for re-pointing or filling gaps in slabs, 2 white nozzles for grouting or using a glue sausage, 2 plungers with cut for use with mortar, 2 plungers without cut for use with grout or bulk-loading and a dome-shaped plunger for use with a glue sausage.