I believe it's a Starrett no 56 not sure but the snug is tight and everything seems to be working. Comes with dovetail and snug and SPI Swiss Precision Instrument test indicator. The item "STARRETT SURFACE GAGE + SPI VERTICAL DIAL TEST INDICATOR. 0005" is in sale since Monday, January 27, 2020.
This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Metalworking Inspection & Measurement\Indicators". The seller is "inspec" and is located in London, Ontario. This item can be shipped to United States, Canada.