The Starrett 174 tap wrench with 1/4″ square shank turns small tools such as taps, reamers, and drills. It has a tap size capacity of Nos. 0 to 14 for industry-standard sizing. It grips round or square shanks for flexibility of use, and it measures 3-5/8″ long.
The L.S. Starrett Company manufactures precision measuring tools, metrology and testing equipment, and saw blade products. The company, founded in 1880, is headquartered in Athol, MA.