FEATURES
- For use on stepladders, telescoping multi-ladders, extension trestle ladders and extension and single ladders equipped with ladder jacks
- Made of 2 inch deep box section extrusions
- Extruded cross member riveted with solid aluminum rivets
- Positive stops prevent over-extending
- Molded thermo-plastic spacer guides for easy open/close action
- Outer flange open for ladder jack clamps
- Locking mechanism sets the plank in 12in increments
- Heavy end flange/handles for rigidity and ease of operation