- Heavy gauge aluminum extruded top with thick side plates
- Back-up aluminum plates reinforce all top connectors
- Shoulder bolt and lock nut on top hinge; 4 solid aluminum rivets attach top to each rail
- Slip-resistant Traction-Tred steps are double riveted and knee-braced
- Extra heavy duty internal aluminum spreaders
- Heavy gauge aluminum extruded top with thick side plates
- Back-up aluminum plates reinforce all top connectors
- Shoulder bolt and lock nut on top hinge; 4 solid aluminum rivets attach top to each rail
- Slip-resistant Traction-Tred steps are double riveted and knee-braced
- Extra heavy duty internal aluminum spreaders
