Pneumatic grease gun suitable for the use with bulk grease or with grease cartridges. With steel braid outlet hose ø ext. 8 mm x 300 mm length, M 10×1, and 4 – jaws – hydraulic coupler. It is a single action mechanism (non-continuous grease supply): when activating the trigger, the internal piston moves and supplies grease; when the trigger is released, the piston returns in its initial position. By repeating this procedure the grease can be dispensed. Compressed air pressure: 4 – 8 bar. Suitable for grease up to a viscosity of NLGI 2.