Starrett 93B T-Handle Tap Wrench, 7/32" - 7/16" Tap Size, 5/32" - 1/4" Square Shank Diameter, 2-1/2" Body Length
Starrett No. 93 Tap Wrenches are for holding taps, drills, reamers, and other small tools to be turned by hand. They are designed to hold square shanks. Round shanks can be gripped, but care must be used.