255EM-18 Vernier Height Gage 65161

The Starrett 255 is the "baby brother" of the 254 Master Vernier Height Gage. It is essentially the same tool, but a much lighter version for normal use where heavy duty applications are not practical. 0-18"/450mm Range, .001"/0.02mm Grad without Case.

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  • Long, 50-division vernier scales that can be read to .001 or 0.02mm without a magnifying glass
  • Flush-fitting of the vernier scales to the main scale eliminates parallax
  • Easy-reading sharp black lines and figures against Starrett satin chrome finish background
  • The scriber and the base are designed so that the gage will read directly from zero
  • Slides easily for quick adjustment and has a screw type adjusting nut on the bar for precise positioning
  • The design of the hardened and stabilized bar plus the balanced design and weight of the base eliminate vibration
  • The base is hardened, ground, and lapped and is hand shaped for sure grip and easy movement
  • The vertical bar is positioned near the center of the base for balance and stability
  • Ability to scribe lines, measure with dial indicators or electronic probes and accept depth attachments


  • Range (in): 0 - 18"
  • Range (mm): 0 - 450mm
  • Graduations (in): .001"
  • Graduations (mm): 0.02mm


    Member of Kit
    Item #DescriptionPart No.QtyInformation
    1VERNIER GAGE, 18"255EM-181
    2•BASE #255-1213781-01
    3•BAR, 18" #255EM-1826153-01
    4•SCREW, 1/4-28 LOCK X .563 LONG13790-01
    8•GIB, SLIDEPT137921
    9•SCREW, .125-40 LOCK X .270 LONGPT130941
    11•SCREW, .187-50 LOCK X .281 LONGPT131011
    12•CARRIER, SLIDE ADJ.13795-01
    13•SCREW, .125-40 ADJ. X 1.312 LONGPT130971
    14•NUT, .125-40PT130981
    15•NUT, .125-40PT131001
    16•SHIM, VERNIER PLATE13865-02
    17•SCREW, #5-40 SLOT X .217 LONG24559-04
    18•SCRIBER CAR., #255PT992551
    19••SCREW, #5-40 LOCK X .406 LONGPT137931
    21•SCRIBER HT.GA. AUXPT137911

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    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