Digital Calipers

Looking for that precise measuring device that can verify parts dimensions as long as 3100mm  (just over 10 ft length!)?  GDP Tool offers accurate and affordable measurement verification for large parts.  Machined from a solid block of aluminum, our calipers do not flex or bend. Hard anodization (50 HRC) provides the rigidity and sturdiness of steel, with the benefits of easy handling and light weight of aluminum.  


Calipers are available in either digital readout or nonius version, with standard in the following sizes:

  • Measuring Length   500mm  (Overall Length   750mm)
  • Measuring Length 1000mm  (Overall Length 1250mm)
  • Measuring Length 1500mm  (Overall Length 1750mm)
  • Measuring Length 2000mm  (Overall Length 2250mm)
  • Measuring Length 2500mm  (Overall Length 2750mm)
  • Measuring Length 3100mm  (Overall Length 3350mm)

Jaw Length:

  • 100mm
  • 150mm
  • 200mm
  • 300mm

Precision Accuracy:

  • +/- 0.03-0.04mm for lengths to 2 meters
  • +/- 0.04-0.05mm for lengths to 3 meters
  • +/- 0.05-0.06mm for lengths over 3 meters


  • 0.01mm.  Up to a 6-meter single piece magnetic strip!
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