A great little tool for measuring bolts from M3 up-to M10.

This handy pocket sized tool is made of alloy so ideal for the workshop.

Designed to determine the threads and length on small bolts.

This tool will help you identify the following sizes -

M3 - M4 - M5 - M6 - M8 - M10 Thread size

Up to 75mm length with the use of the built in ruler

Dimensions: 83mm x 42mm