PVC extruding tube used for building electric wires passed.
The outer diameter is 20mm, and the thickness is 1.3mm or 1.4mm, the length is fine. Just consider the container length for easy transportation.
We can make the code and company name(custom, need the authorization) on the tube by your requirement.
What is aluminum gravity casting?
Definition Aluminum alloy gravity casting, as the name suggests, uses gravity to inject aluminum alloy liquid material into the mold to form the desired shape.