BarryJ

The tubes I showed has inner diameter 11,8mm and outer diam. 14mm length 65 mm.

Yes, I bought a sample but never got any further.

One thing I dont like about them is, that to get the clip in, the plastic adapter must not be totally in, but about 5mm from all in.
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Poul
"If Life Gets Boring, Risk It!"
MC21SE, KISS box
MC21SP, HRC box, racing loom