Gauge for measuring thread and external thread tooth pitch.
Metric 60 ° Sizes 0.25,0.3,0.35,0.4,0.45,0.5,0.6,0.7,0.75,0.8,0.9,1.0,1.25,1.5,1.75,2.0,2.5,3.0,3.5,4.0,4.5,5.0,5.5 6.0
Inch 55 ° Sizes 4G,4-1/2G, 5G, 6G, 7G, 8G, 9G, 10G, 11G, 12G, 13G, 14G, 16G, 18G, 19G, 20G, 22G, 24G, 25G, 26G, 28G , 30G, 32G, 36G, 40G, 48G, 60G, 62G
Has locking nuts to lock gauge in place.
Also so comes with measurement sheet as seen in photo, converting the gauge number to millimeters and inches.
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