Welded one-piece construction. Cages and walk-thru handrails extend 42" above landing surface for safe access to rooftops, mezzanines, or catwalks. Standard fixed steel ladders are combined with safety cage protection. Walk thru safety cage with flared bottom opening for easy entry. Cage begins 6' 9" from bottom rung. Steel construction rated for 300 lb. load capacity. Stair Angle is 90 Degrees with 3/4" deep treads made of corrugated steel. Powder coat finish. Meets OSHA and ANSI A14.3 Standards. Top to bottom rung length is 3'8" less than overall length. One-Piece and Modular units available.