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123-6 Master Vernier Caliper 50525

123, 123M, 123EM Master Vernier Calipers
Master Vernier Slide Caliper, Steel, 0-6"

Caliper, without Case 6", .001" Grad Case.

This item is discontinued. Please consider the recommended alternative listed above or contact our special order department at (978) 249-3551 x410 for more information.

3D CAD Files / Exploded Parts Diagram
Product Testimonials
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  • Half as many bar graduations as conventional single-vernier tools
  • Easy to read
  • Machine divided graduations
  • Tight, smoothly fitted slides
  • No glare Starrett satin chrome finish
  • Long 50-division vernier scales
  • Open-face design
  • Screw-type adjusting nut allows for fine measuring adjustments and lock nut holds measurements
  • Fine tool steel construction
  • Hardened, ground and lapped measuring surfaces
  • Divider points on the back side to accurately set dividers and trammels
  • Hardened and stabilized bars


  • Made in America: Yes
  • Range (in): 0-6"
  • Graduations (in): .001"
  • Accuracy (in): +/-.0005" per foot


    Catalog 33 - Section 2 - Slide Calipers

    Our calipers are light, comfortable, easy-to-use, and constructed with features that have made Starrett slide calipers the machinist's first choice for many years.

    Precision Hand Tools (Catalog 33)

    612 page catalog featuring precision hand tool, force measurement, vison systems, optical comparators, laser measurement, and flat stock.

3D CAD Files / Exploded Parts Diagram

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Product Testimonials

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      Member of Kit
      Item #DescriptionPart No.QtyInformation
      1BAR #123-6NOT AVAILABLE1
      2SCREW, #5-40 SLOT X .217 LONG24559-04
      5PLATE, INSIDE (TOP) VERNIER13112-01
      6SCREW, .110-52 LOCK X .225 LONGPT131131
      7GIB, SLIDEPT137921
      8SCREW, .125-40 ADJ. X 1.312 LONGPT130971
      9NUT, .125-40PT130981
      11NUT, .125-40PT131171
      12SCREW, .187-50 LOCK X .242 LONGPT131151
      13SHOE, CAR LOCK SCREWPT164951
      14SHIM, VERNIER PLATE13866-02

    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: