Two sliding hooks. These allow the ladder to be moved between rails. The clever automatic adjustment allows the ladder to be stored vertically (folded) against cabinets.
Two standard (non-braking) wheels
7 step support rods
2 × 4' rails
4 brackets
1 splice
2 endcaps
28 screws included, enough for 7 16" steps
Details
Available in powder coated (black, oil rubbed bronze) or metal plated finish (brushed satin brass)
Additional step support rods and screws are available to purchase for ladders with more than 7 steps