• Special stem design allows convenient 360-degree rotation of gauge, and easy pin-release removal.
• Replaces original gauge on all Mityvac Silverline and Selectline hand pumps, or additional option for pumps purchased without gauge.
• Includes bushing for adapting to threaded ports, and locking pin.
• Indicates 0-30 inches of Mercury (0-100 kPa) vacuum.
• Replaces part number 06172