TLILY 26Pcs Nut and Bolt - Thread Gauge

[Upgraded Thread Checking Set] Every is inserted into well cut foam that holds them firmly in place to prevent them from bouncing around in , but not so tight that you can easily remove them. Easier to use than connected nut/thread checkers, because you no longer have to carry a whole bunch of gauges to measure individual screws or nuts and can reach any tight spot. [ Before Heading to ] Just screw the nut or bolt into the screw thread gauge, it takes you a few seconds to check the size. You do not need to drive forth and back to and from the hardware and auto parts stores for check any more. Also, this nut and bolt gauge is especially well suitable for the distinguish between similar inch and metric threads. [Zinc Plated for Inch Size] Includes 14 Inch Size part numbers: 6-32, 8-32, 10-24, 10-32, 1/4-20, 1/4-28, 5/16-18, 5/16-24, 3/8-16, 3/8-24, 7/16-14, 7/16-20, 1/2-13, 1/2-20. [Black Oxide for Metric Size] Includes 12 Metric Sizes part numbers: M4x0.7, M5x0.8, M6x1.0, M7x1.0,