This new metric and imperial thread checker from Gunson Tools (part number 77138) is an accurate and easy-to-use thread identifier specifically designed for wheels nuts, bolts and studs.
Each individual gauge features a male threaded stud on one end and a female threaded hole on the other. Especially useful for distinguishing between similar inch and metric threads, with metric sizes M12 x 1.25, M12 x 1.50, M12 x1.75, M14 x 1.50 and M14 x 2.0 and imperial sizes 7/16" x 20, 1/2" x 20 and 9/16" x 18.
Manufactured from aluminium, each gauge is anodised in an individual colour for easy identification. Conveniently assembled onto a chain loop, it's the ideal convenient and portable solution. Hang it on your workshop wall or store it in your tool box for safe keeping.
The set is very good value and available now from your local Gunson stockist.