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SPI - Groove Master - Individual Attachments for Calipers

Manufacturer: SPI
Item Number: 30-

Must Select: Min. Bore
starting at $54.50

Hightly effective caliper attachment for quick and accurate measurements of internal and external diameters of retaining ring grooves, o-ring grooves and undercuts.

  • Fits all 6" vernier, dial and digital calipers with a maximum jaw thickness of 0.140.
  • Measures internal grooves from 0.200" up to the capacity of the caliper.
  • Precision machined steel, hard chrome plated for extra wear resistance.