telespar telescoping square tube

Telespar Square Tubing Isn't Just For Sign Posts

There are many uses for square steel tubing beyond the traffic safety industry. In fact, when the original makers of Telespar® square tubing (Unistrut Corporation) began manufacturing it, in 1964, there wasn't even a market for square tube to be utilized in sign post applications. Back then, there was no distinction between square steel tubing and mechanical tubing, because there was no such thing as telescoping square tube sign posts yet...