CTT48 | Champion Thread Tester Master Kit (48 Sizes) Metric and Imperial UNC & UNF Nut and Screw Thread Tester IMP 3/16 to 1/2 UNF & UNC Metric Course Pitch M4 to M12 ISO Metric Fine & Extra Fine M10 & M12 48 Sizes
CTT48 | Champion Thread Tester Master Kit (48 Sizes) Metric and Imperial UNC & UNF Nut and Screw Thread Tester IMP 3/16 to 1/2 UNF & UNC Metric Course Pitch M4 to M12 ISO Metric Fine & Extra Fine M10 & M12 48 Sizes