Hot Stamp Machine marks tubing and wire.
Press Release Summary:

Original Press Release:
Hot Stamp Machine marks tubing and wire
The Model VT-5 is a very portable and extremely durable marking machine. Designed to mark all varieties of thermoplastic tubing, wire and heat shrink sleeving. This machine comes in two models the VT-5H (hand-operated) and the VT-5A (air operated).