Starrett VERNIER HEIGHT GAGE, 300MM 255MZ-300 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. 0-300mm Range, 0.02mm Grad with Case. FEATURES  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  SPECIFICATIONS  Made in America: Yes  Range (mm): 0 - 300mm  Graduations (mm): 0.02mm