Glass Thickness Gauge | Measurement of glasses from 2 to 25 mm thick and the air gap up to 24 mm | Works by reflection in the glass

It is printed in German and with no instructions you need to know how to use it and read the results. If you are experienced then this is a good piece of kit. It is a bit expensive for what is essentially a piece of plastic with printed graduations and couple 45deg cut edges

Couldnt get on with it at all

COULD OFFER ENGLISH INSTRUCTIONS AS STANDARD