Starrett #671 Attachment w/ .375” Hole for Dial Indicators - 2 arms - Original Box - Made in USA - EDP 52886

The thumb screw that secures the interchangeable arms is missing (see photos).

The item shown in the photographs is the actual item offered in this listing. Please review the photos to assess the condition of this item, and feel free to contact me with any questions you may have. Thank you very much!