Printed on matte white, non-reflective rigid plastic (with a biodegradable central core), the credit card sized scale features a black and white cm block scale along one edge (8cm) and a mm scale along the other edge. Perfect companion to the colour credit card scale 8cm black and white scale which has Greyscale metre,
20 millimetre micro scale, rectification target with 50mm x 20mm reticules. - The 2 cards fit neatly into the clear plastic box.
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