490mm tread width. Choice of 3 to 15 steps. Treads in ribbed rubber or expamet. Two versions available - stability base model has splayed base frame for superior stability; narrow base model has straight base frame to save space. Fitted with hand lock anchorage with safety warning bar. Warning bar protrudes in front of steps to warn user when steps are in mobile mode - i.e. wheels in contact with floor. Options include lower and/or platform gate, hook-on tool tray or hook-on wire basket (platform gate narrow base models only). Supplied with Health & Safety at Work information sheet. Caution notice fitted to remind user of operational procedure.