This solid reliable tool features a double acting hydro-pneumatic actuation resulting in a quick cycle time while maintaining a high traction force. Capacity is up to 6.4mm (1/4″) structural rivets in all materials. The Italian made FAR® RAC171 model also features vacuum mandrel extraction as well as a mandrel container at the rear for spent mandrels. The RAC171 is the tool of choice for installers of structural rivets in any material.