Dyer "Classic" Direct Reading ID Groove Gage, with Range Range: 0.2 - 0.6" - 104-102 - Light Tool Supply
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Dyer 104-206 Dial Dyer "Classic" Direct Reading ID Groove Gage, 40-50m – Ideal Precision Instrument Service, Inc.
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Face Groove and Hole Locations Gages (BX-BXG Series) - Face Groove and Hole Locations - API 6A Seal Ring Groove Gage - BX and R-RX - Gagemaker Thread Measuring Instruments - Measuring Instruments
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Starrett - 3/8 to 6 Inch Measurement Steel, Dial Indicator Groove Gage - 86426418 - MSC Industrial Supply
Dyer "Classic" Direct Reading ID Groove Gage, 104 Series, Range: 0.2 - 0.4" - 104-101 - Light Tool Supply
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