This Aero Mach ITT Indicator 100-5812-01 is as-removed, reported operational. 

This part is as-shown in the images above. Seller is not an A&P and cannot advise as to the state of the part or applicability to your aircraft. Any part numbers have been obtained via parts manuals for the aircraft from which the part was removed. Buyer assumes all liability. Please ensure your A&P inspects the product to ensure it is airworthy and appropriate for your aircraft prior to use!  

Thanks for taking a peek!