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Thread Ring Gage 1" 1/4-28 UN 2A Thread Ring Gauge GO NOGO 1 1/4-28 UN 1Set

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10 Pair 1/8" Steel Parallel Set 0.0002" Hardened 1/8" x 6" Suit Milling Thin New

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Depth Gauge Digital Electronic Indicator 0-22" Measure Range Machinist Gunsmith

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Nut and Bolt Thread Checker, 28 Gauges (15 Inch & 13 Metric), Silver + Black

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Vermont Gage STL X Go Tri Gage Pin Only 1.1550 191203110

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Nut and Bolt Thread Checker Aluminum Gauge Set for Metric and Standard Sizes