Reach heights safely with these WERNER Step Stools.Type I heavy-duty/industrial rating. Feature a molded top with a large standing platform, slip-resistant Traction Tred steps and spreaders that donâ??t pinch. Aluminum stools have double channel braces on bottom step for stability. Fiberglass stools have plated steel braces on top and bottom steps, rail end shields, feet with slip-resistant foot pads and non-conductive side rails.