Same color difference by the way for the allen keys.
Top 2 of the first 3 pictures (size 6&8mm) are a tad more yellow, came from a recently aqcuired parts stash.
Bottom 3 keys (10/8/6mm) in the first 3 pic are more blueish (as chrome or bright zinc normally is). These blueish came from my may 73 CS Eu version.
In pictures of tools sets i get a feeling that the chromed / blue color is correct for e3/9's, or perhaps early e3/9's, and the more yellowish (Nickel?) plated versions of later e3/9's or perhaps post e3/9.
I will add another pic later as I have a 6th &7th allen key, which is different then the 2 styles pictured and described here. Edit: pic added 3rd version identified, last one in the row : these do not have "CHR-VAN", but the numbers are 90 rotated.
Also noticeable is
-the presence/absence of the words "CHR-VAN"
- The orientation of the number indicating the size. They are 90 degrees rotated between the 3 versions.
- the surface roughness: the 2 yellowed ones are very smooth with some lines in the drawing direction, the 3 brighter ones are showing small pits as if sandblasted prior tot chroming them.
Top 2 of the first 3 pictures (size 6&8mm) are a tad more yellow, came from a recently aqcuired parts stash.
Bottom 3 keys (10/8/6mm) in the first 3 pic are more blueish (as chrome or bright zinc normally is). These blueish came from my may 73 CS Eu version.
In pictures of tools sets i get a feeling that the chromed / blue color is correct for e3/9's, or perhaps early e3/9's, and the more yellowish (Nickel?) plated versions of later e3/9's or perhaps post e3/9.
I will add another pic later as I have a 6th &7th allen key, which is different then the 2 styles pictured and described here. Edit: pic added 3rd version identified, last one in the row : these do not have "CHR-VAN", but the numbers are 90 rotated.
Also noticeable is
-the presence/absence of the words "CHR-VAN"
- The orientation of the number indicating the size. They are 90 degrees rotated between the 3 versions.
- the surface roughness: the 2 yellowed ones are very smooth with some lines in the drawing direction, the 3 brighter ones are showing small pits as if sandblasted prior tot chroming them.
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