This Metaltech Safertstack 5ft. x 5ft. x 7ft. Mason Frame set features 1 5/8in. steel tubing and is ideal for any commercial or residential construction project. The anti-slip blue textured powder-coat finish delivers superior grip and secure footing for climbing. Cross braces are galvanized for corrosion resistance and longevity. This frame set can be stacked in 30% less space than regular frames. Includes 6 frames, 6 cross braces and 12 coupling pins. Meets OSHA standards for safety and reliability. Easy to assemble.