Free-standing Guardrail System, which is non-penetrating, and safely protects open roof hatches and skylights Allows for our system to be integrated with virtually any roof top opening Comes standard with a spring loaded gate ensuring the HatchGuard is in a safe operating closed position at all times Pre-engineered in a singular crate, most parts are pre-assembled with simple to follow instructions and a singular tool for installation Free standing, portable, modular systems are constructed with corrosion resistant lightweight aluminum tubing and utilize counter weighted base plates, no roof penetration is required meaning your roof remains intact Unique, low profile, stackable base plate design at only 40lbs with a built in carry handle allows for easy, ergonomically friendly installation Designed to meet of exceed all major governing bodies fall protection requirements including, ANSI, OSHA, MOL All parts and materials are supplied in a singular crate Custom Rooftop Guardrail Systems are available upon request Includes: Singular tool supplied for assembly, Complete installation manual and layout drawings, 8 Counter weighted base plates, 4 Rubber mats to protect rooftop membrane, 4 Pre-assembled vertical posts, 7 Horizontal Rails, Set Screws Height 42"" Length 48"" Material Aluminum Shipping Crate Dimensions 48"" W x 48"" L x 24"" H Width 48""