Starrett PT07965 Adjusting Screw ONLY for 122-12 & 24" Vernier Caliper *pic of diagram & envelope are for reference only - will not come with part   IN STOCK EMAIL US WITH YOUR QUESTIONS We are an old hardware store with lots of rare & vintage items - in Starrett and many other brands.  Please inquire! PLEASE NOTE: WE ARE CLOSED ON SATURDAYS & SUNDAYS AND THEREFORE MAY NOT ALWAYS RESPOND TO OFFERS.