Precise Groove-Master 1
Quick & Accurate! Measure Internal And External Diameters of Retaining Ring Grooves, O-Ring Grooves & Undercuts.
- Machined from steel and hard chrome plated.
- Fits all 6″ Calipers with maximum jaw thickness of .140″.
- Measure internal grooves from .200″ up to the capacity of the caliper.
- Metric sizes are available.
- Caliper not included.
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