Description:

MAKES EASY WORK OUT OF what is often a tough task.
ASSISTS YOU IN DETERMINING SAE #4 to #10, 1/4" to 1", and 3mm to 22mm bolt sizes plus SAE #6 to #10 and 5/16" to 5/8" nut sizes.
INCLUDES standard and metric rulers to measure bolt length while the other side has a handy thread guide to verify SAE 10 to 40 threads per inch and 0.70 to 2.5 metric thread pitch.
DIMENSIONS: 8-5/8 in. x 3-1/4 in..
MUST HAVE FOR YOUR nut and bolt tool arsenal.