Safety Boot Guardrail System provides a method for constructing versatile, freestanding, temporary guardrail and stair rail systems that exceed OSHA (Occupational Safety and Health Administration) guardrail regulations. The fully reusable Safety Boot features a unique design that allows toe boards to be inserted quickly and easily for complete OSHA required toe board protection. The design creates rigid anchorage points for freestanding posts complete with slots for toe boards to be inserted quickly. Can be used for edge protection on most structures by building out an OSHA compliant guardrail system using job site tools and construction grade 2x4 lumber material. Needs no bracing, and anchors into most materials, including concrete. Meets OSHA's Fall Protection Regulation (Standards - 29 CFR 1926.502. Safety Boots are molded in one piece from a durable, high-impact, safety yellow polymer. Includes 4 safety boot units, installation instructions with detailed illustrations, 1 hex drill adapter, Stress Engineering Report Summary, fastener specifications for various sub-floor materials, and specified fender washers.