Our Valu Series Uprights on constructed of heavy duty, corrosion-resistant, 1.5″ aluminum tubing and hardware. You may order our adjustable models with button lock or locking clamp. Button locks feature stops at every foot increment. Our uprights with locking clamps are infinitely adjustable and feature a handy measuring guide on the inside pipe. Our Valu Series Pipe and Drape products are also referred to as: stage tubing, theatrical tubing, trade show booths, commercial pipe, stage backdrops and wedding backdrops.