1Pcs Stainless Steel Center Fishtail Gauge Screw Thread Lathe Cutting Tool(2)

Optional Style: USA60 Degree Screw Thread(#1), ISO60 Degree Screw Thread(#2), whit55 Degree Screw Thread(#3). Suitable for quick comparison of the thread angle of the workpiece. Center gauge is clearly marked for convenient and easy reading.

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