AN BOLT GAUGE
Part Number: AE1350
Easy to use bolt gauge quickly and accurately identifies the diameters and lengths of "AN" bolts ranging from AN3-3 to AN10-50. There is also a handy reference guide on the back to help you identify the specific type of bolt from its head markings (symbology) and pre-drilled holes. 1 lbs (0.5Kg) shipping weight.