Nick wrote on 27/04/2014 :
I'm after some spring steel P clips. The type that have barbs on the wings
which will grip the web of an I or U section beam.
These for use on an old lorry in restoration. Don't want to drill holes in
chassis unless absolutely necessary.
Web thickness is about 1/2", cable dia. about 3/8".
Have goggled for ages but am struggling. Any idea what they are called?
Many thanks,
Nick.

I called them 'knock on girder cable clips'.

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Regards,
Harry (M1BYT) (L)
http://www.ukradioamateur.co.uk