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Pocket-Sized Thread Checker Machine Screw Sizing Gauge

SKU: 8298
Regular price $999
Shipping calculated at checkout.
Perfect for the gunsmithing bench, our handy machine screw thread checker quickly identifies small fasteners.

Featuring the three most popular sizes:
#6-40, #6-48, #8-40

Material: Steel
Finish: Black Oxide
Length: 2.75"
Thickness: 0.13"