H.B. Fuller sausage caulking guns are engineered for trade using quality materials and components with ergonomics, performance and reliability in mind. The cast frame/handle assembly will not deform with prolonged use and the trigger offers a smooth action for clean bead application. Engineered for trade using quality materials and components with ergonomics, performance and reliability in mind| The cast frame/ handle assembly will not deform with prolonged use and the trigger offers a smooth action for clean bead application| Features include:| Heavy gauge materials - rigid, reliable platform| Ergonomic trigger/ handle assembly - reduces user fatigue| Swivel barrel - allows rotation to suit application| Smooth pushrod - reduces imperfections in sealant bead| Heavy duty, long wearing actuator/ plunger mechanism