Shades
1.4mm is the approximate thickness of a penny.
1.8mm is the approximate thickness of a nickel.

Please see other images for a sizing guide
Says approximate on all images which means.
Close to the actual, but not completely accurate or exact.
We show images as a guide to help you select
the correct cord to repair your blind.
Do not order our cord if you are looking to use on some other project
that needs a exact cord.