Thread type: metr. 60° Blades: 24 Measuring range: 0.25 - 6.00 mm Graduation: 6.0/5.5/5.0/4.5/4.0/3.5/3.0/2.5/2.0/1.75/1.5/1.25 1.0/0.9/0.8/0.75/0.7/0.6/0.5/0.45/0.4/0.350.3/0.25 for internal and external measurements of threads ; fine cutted threads made in India
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