SP40 Black silicone rubber tube, internal diameter 4mm, wall thickness 1mm
- Manufacturer: Various
- Product ID: SP40
This tube is great for running up to 3 wires through to provide a more period looking pneumatic/electrical connection instead of revealing multi-coloured wires.
Supplier Links
Some tubes have a matt finish. The shiny finish looks best.
https://www.ebay.co.uk/itm/SP40-Silicone-Rubber-Tubing-4-0mm-ID-Various-Colours-Walls/263819127795
Indicative Pricing With Allowance for P&P
You should be able to get this by the metre. You only need 1 metre.
£7
Substitutions
It needs to have an external diamater of 6mm and you'll have problems if the wall diameter is not 1mm - the tube will either kink too much or not have sufficient space inside to run the wires.