Select Step Telescoping Step Ladder. Never feel nervous on a stepladder again! No matter how you set it up, the patent-pending Select Step provides a comfortable standing platform that offers heel-to-toe foot support at the top recommended step. And the AirDeck workstation with handrail makes standing at the top of the Select Step feel as good as standing on solid ground. The heavy duty rated (Type IA - 300 lbs.) yet lightweight Select Step telescopes to adjust height, so that its really multiple stepladders in one. And because both sides telescope independently, you can use it safely on stairs and uneven surfaces. Hanging pictures or changing that impossible light bulb above the stairwell will never be easier. - Comfortable standing platform at any height within the stepladders height range. - Safe to use on staircases and uneven surfaces. - Lightweight and easy to move from job to job. Dimensions: 5-8 Foot: 8.5"L x 27.5"W x 61"H (adjustable between 5 and 8 foot heights) 6-10 Foot: 8.5"L x 27.5"W x 73"H (adjustable between 6 and 10 foot heights)