ARO offers models of hand held grease guns to fit your application including two hand pump guns and two air powered models. Hand pump guns delivering consistent performance pump after pump both come standard with extensions and 18" whip hoses. Our two air powered models are designed for those high volume shops that need to dispense a lot of grease. All four models feature: * Ergonomic handles to enhance user comfort,* filler nipple and air vent,* and an easy-to-load locking plunger. Finally, the 5190 includes a swivel handle (up to 180 degrees) to grease those hard-to-reach fittings.