Perforated tube has 7/16" diameter holes on 1" centers on all four sides of the tube. Each size telescopes into the next closest size with little play/slop and can be used with our locking pins. Ex: The 1-3/4 x 1-3/4 x 12 perforated tube is designed to be telescoped into our 2 x 2 x 12 ga perforated tube.
Longer lengths and quantity discounts available. Contact for quote.
