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Long Form Certificates are $30.00 and $15.00 depending on the gage type. A Certificate of Conformance will be provided at no charge. Please add LFC to the cart if needed! They are located in the Long Form Certificate Category and in each Gage Category.

Please be sure to add your UPS or FedEx Collect account number in at checkout.


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1-9/16" and Larger Trilock Thread Plug Gages

Gage Sets = Go/NoGo w/Handle (3-1/2" and larger will have two handles)