Go/No Go Plug Gage Assy, Go/No Go, Taperlock, Class 2B, Thread Size 1 1/4-12, Thread Type UNF, Material Tool Steel, Finish Chrome Plated, Overall Length 6-1/2 In., Handle Length 4 In., Tolerance Class X, Includes Certificate of Accuracy Traceable to NISTFeatures<ul><li>Application: For Cal</li></ul>