1127 Internal-External Adjustable Setting Master for Starrett 1102 Diameter Gage 56135

These setting masters are used to check and reset diameter gages under production gaging conditions. Each master consists of a rigid box beam with reference and sensitive heads which are individually adjustable along dovetail ways. The 1127 set master is used with our 1102 Diameter Gages. The internal adjustment range is 1–12" (25-300mm) and external adjustment is 5-1/4–12" (133-300mm). Storage case is available to hold both the gage and master (Catalog 1102ZZ, EDP 56136).


Contact Starrett


  • A platen on each head locates the diameter gage from its feet
  • The position of the gage contacts is matched by the anvils on the masters which are vertically adjustable
  • The reference head anvil has a fine adjustment for final settings, plus a restrictor to help position the gage in the master
  • Both heads can be reversed for I.D. or O.D. settings
  • Each master has a fixed single point rest and two leveling screws which provide a three-point suspension
  • All contact and working surfaces are hardened and ground


  • Setting Master Range (in): 1-12"
  • Setting Master Range (mm): 25-300mm
  • For Use With Diameter Gage Number: 1102