Robert Sorby Thread & Sizing Gauge

Removes uncertainty when setting both major and minor diameters.

Using the unmarked anvil provides a direct 1:1 relationship between the measuring faces, enabling precise push-fit tolerances.

Supplied with three marked anvils (10, 16, 20) to match the most common thread cutter tips.

Built-in compensation ensures accurate correlation of internal and external thread diameters for consistently perfect fits.

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