Magnetic photo measuring card with slit widths

This brass tread depth gauge is manufactured especially for us. What sets it apart is its white scale, which provides good contrast and is therefore much easier to read than a scale simply engraved into the brass.

Indispensable when it comes to correct colour representation!
If you place these standardised colour charts with the motif when taking the picture, you can easily check the colours afterwards in image processing and correct them if necessary.