outer edge measures 27mm inner approx 25mm

Manufactured in France - style patented pre 1960s exact date of manufacture unknown possibly 1970s

Pack size 10 clips

The 34 refers to the length from the top of the holder to the bottom of the clip (34mm) - the loop takes a 23mm to 25mm ribbon/strap

Any marks are due to the photographs being shot in macro - these are in good condition