Square Tube Fittings - Middle Coupler

Build your own heavy-duty bench frames. Create squares and rectangles. Any shape you desire is possible! Make your own end frame kits with our heavy-duty galvanized square tube fittings.

• Measures 1.75" x 8."
• Accommodates both 1.5" square tube (goes in) and 2" square tube (goes over).
• Fasten fittings with our #14 x 1 zinc-plated, self-drilling Tek Screws, sold in bulk packaged quantities of 100.