Invaluable for determining the number of threads per inch through graduations in 14ths, 20ths, 24ths and 32nds. Made of spring-tempered steel with a satin chrome finish.
Material: Spring-Tempered Steel
Finish: Satin Chrome Finish
Scale for Determining Threads per Inch graduated in 14ths, 20ths, 24ths and 32nds of an Inch
Whitworth or English 55 Degree Standards
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