Tie Down Safety’s Collapsible Stack Rack Guardrail Kit provides 110 linear feet of collapsible safety guardrail on a stacking pallet. This system provides full perimeter protection on the roof without compromising building aesthetics. Tie Down’s Collapsible Guardrail folds down easily with the help of two safety pins and durable hinge brackets. No tools are required! This system allows the collapsibility back and never towards the roof edge. The stacking pallet is galvanized steel and coated with TS22 for longevity. Tie Down Safety maintains high standards and quality control through quality raw materials and components made in the USA.