air grease gun, 1. air operated grease gun, oil spray nozzel, grease spray nozzel 2. 50~70bar 3. flat or cusp month air grease gunhigh pressure grease gun,* Accept the straight swivel or the Z swivel* Outlet: Rigid spout and tine nozzle tip* squeeze handle develops up to 400bar* 1/4'' , 1/'8 female, or male thread free air grease gun