Adjustable and easy to use guardrail system for parapet walls and floor slabs. Unique tubular design allows for easier placement and installation. Adjustable rail brackets for easy and fast attachment of 2 x 4’s. By inverting the compression base, you can use as a universal guardrail for exposed floors, walkways, decks or wherever you need a fall protection system. Maximum spacing of 8′. Complies with OSHA standards. Comes with toe board bracket installed. 2 per master carton.