A sturdy aluminum telescoping-designed ladder provides maximum versatility of uses. Use as twin stepladder, extension ladder, stairway ladder, or 2 separate scaffold bases. The spring loaded J locks allow quick height adjustments. Angle position adjustments are easily done with soft touch push knobs. Extra wide flared bottom offers frim support. Double riveted steps provide long-lasting durability. Smooth curved rails offer comfortable climbing. Meets ANSI and OSHA standards. Type IA duty rating 300 lb. combined weight of user and materials. Specifications: Rails: 2-5/8" wide, Flange: 1" wide, Steps: 1" wide, Ladder: 16" wide.