A handy person from USA says:
March 11, 2015
Hi I just ordered two 29" spiral balances; the 306 I think. Mine are 3/8" but they have an orange tip so I selected red. I
Tom from SWISCO responded:
March 12, 2015
Thanks for posting. Looks like some of your post got cut off. Are you asking if the Red Tip was correct? If so, I believe it was. Many balance manufacturers use some varying shade of this color, but they are all considered Red in the trade.