Magnetic Photo Measuring Card

Simple and ingenious! With the optical glass thickness gauge from Bohle, you can measure glass thicknesses from 2 to 25 mm in the simplest way. For insulating glass, you can determine the space between the panes (SZR) up to 24 mm.

Coloured pencils based on paraffin waxes and paraffin oils. They write excellently on almost all surfaces, are colourfast, temperature-stable, smudge-proof and break-proof.

Ideal for architectural engineers, carpenters, maintenance personnel, teachers, students and everyday home measurements to accurately measure cylindrical holes and obtain the correct size for repairs or replacement of wall cords.