44-Piece Male & Female Thread Checker Kit (Inch & Metric) - Identify Nut & Bolt Sizes

Ever stare at a bin of loose bolts and wonder what size they are?

This thread checker kit is the answer.

It comes with 44 pieces—both male and female gauges—for identifying threads in both inch (SAE) and metric sizes.

Just screw the bolt into the female gauge or screw the male gauge into a nut until you find the perfect match.

It comes in a nice box to keep everything organized.

It's a must-have tool for any garage, workshop, or tool shed.

No more guessing at the hardware store.