Steiner's Protect-O-Screen HD is the most rugged and flexible welding screen in the industry. The HD frame is constructed with heavy duty 1" square 18-gauge steel and 1-1/8" square corners and legs for outstanding durability and stability. The Quick-Snap connection allows screen frames to be assembled in minutes and without the use of any tools. Protect workers, material, and equipment from hazards of welding sparks, spatter, and UV flash. The patented modular framing system offers more flexibility than any other screen on the market and provides the widest range of multi-panel configurations. The unique modular design allows addition, removal, replacement, and rearrangement of individual panels to adapt to new requirements in just minutes. Use individual panels or join together to form multi-panel enclosures or in-line dividers. (new par) Sturdy square tube frame is designed to eliminate slipping and twisting that occur with round tube frames. Since they were first established in 1975, Steiner Industries has emerged as one of the premier manufacturers and suppliers of welding safety products, gloves, protective clothing, and curtain-style industrial partitions. Steiner Industries is built around a commitment to quality products, manufacturing excellence, and superior service. Their products are carefully designed to provide the utmost level of safety and increased productivity in the workplace.