9008-01,, Aero Commander Manifold Pressure / RPM Percent / Cylinder Head Temp / EGT Cluster Gauge

Aero Commander 685 Twin Engine Aircraft Manifold Pressure / RPM Percent / Cylinder Head Temperature / EGT Cluster Gauge Indicator a shown on photos. Manufactured by Aero Tech Inc. P/N 9008-01.It appears that a screw is loose inside the Manifold cluster unit. Assembly is sold as a core, for parts or for display only, as is, no returns will be accepted.