120A-9 Dial Caliper

120, 120M Dial Calipers
Dial Slide Caliper, Stainless Steel, 0-9" Range, .001" Graduations

The Starrett 120 Series Dial Calipers are the only American made dial calipers. These calipers are used by mechanics and toolmakers everywhere. Features include direct reading, ease-of-handling, reliability and accuracy making these one of the handiest measuring tools available. This series features white dial, 0-9" range, and .001" graduations. 9", White Dial, without Case This series features white dial, 0-9" range, and .001" graduations.

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  • Only American Made Dial Caliper
  • Direct reading, reliable and accurate
  • Sharp, clear dial graduations
  • Sharp, black graduations on the satin finished bar
  • Knife-edge contacts for both inside and outside measurements
  • One hand use with the thumb-operated, fine adjustment roll
  • Lock screw for dial bezel and Lock screw for holding sliding jaw in position
  • Hardened stainless steel bar, measuring surfaces, rack, gears and depth rod
  • Positive, split-gear anti-backlash control
  • Covered rack depth rod


  • Made in America: Yes
  • Range (in): 0-9"
  • Graduations (in): .001"
  • Revolution Range (in): .100"
  • Bar Graduations: .100"
  • Construction Material: Stainless Steel
  • Dial Color: White
  • Inside Jaw Depth (in): 5/8"
  • Inside Jaw Depth (mm): 16mm
  • Outside Jaw Depth (in): 1-1/2"
  • Outside Jaw Depth (mm): 38mm
  • Accuracy (in): 0-6" (+/-.001") 6-9" (+/-.0015")


    2D Dimensional Drawing (PDF)



    203.46 kb

3D CAD Files / Exploded Parts Diagram

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Product Testimonials

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      Member of Kit
      Item #DescriptionPart No.QtyInformation
      10SCREW, 1/16-64 SLOT X .085 LONG10956-04
      20BAR, 9" #120A-9NOT AVAILABLE(2)1
      30PLATE,SLIDE COVER24577-01
      40SPRING, SLIDE GIB19021-01
      50GIB, SLIDE19022-01
      60SCREW, #3-56 SET X .156 LONG19023-01
      70SCREW, #3-56 SET X .125 LONG19214-01
      80STUD, FINE ADJUSTING19020-01
      90SCREW, #3-56 LOCK X .223 LONG19024-01
      100RACK, FRONT 9"24583-01
      110RACK, BACK 9"24584-01
      120SCREW, 1/16-64 SLOT X .065 LONG19051-08
      130CASE, #12019027-01
      140SCREW, #1-64 SLOT X .082 LONG06839-02
      150SCREW, #1-64 SLOT X .128 LONG07061-02
      160•RACK PINION ASSEMBLY22263-01
      180•GEAR, A.B. #120-1222266-01
      190PINION, HAND22267-01
      200BRIDGE, #120-1222164-01
      210SPRING,DIAL FRICTION19040-01
      220DIAL, #120 ENGLISH19041-01
      230HAND, #12019035-01
      240•BEZEL, #12019042-01
      250•CRYSTAL, #12019043-01
      260CLAMP, BEZEL LOCK19046-01
      270SCREW, #2-64 CLAMP X .417 LONG19047-01
      280SPRING, DETENT22080-01
      290SCREW, .042-120 FHCS X .094 LONG05465-02
      300O-RING, RETAINING23534-01
      310DEPTH ROD 9"27736-01
      320STOP PAD27366-01

    California Proposition 65 Warning

      WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov