A basic bulk gun that will get the job done with confidence. All cast aluminium grips, all aluminium barrel, and all aluminium collars. The face of the plunger has a 2 pieced face to be able to adjust how tight the plunger is to the barrel. A hook on the plunger rod allows for easy sto-away while tooling your fresh bead of sealant. Also comes with 2 yellow and 2 white nozzels.