Make sure this fitsby entering your model number. VERSATILE: Use your existing single and extension ladders on stairs. Micro-adjustable to 1/8″ for use on almost any stairs USE WITH MULTIPLE LADDERS: Swap ladders instantly, always use the right ladder for the job EASY TO SET UP, EASY TO USE: No installation required, sets up in minutes. Move from stair to stair with no hassle WHICH LADDER-AIDE IS RIGHT FOR YOU? The original Ladder-Aide is smaller and lighter. The Ladder-Aide Pro can handle the biggest and heaviest fiberglass ladders. Make sure to pick the right one. LADDER SPECS: Designed for Type I, IA, and IAA ladders, both aluminum and fiberglass ladders, Meets and exceeds ANSI-ASC weight standards for ladders (ANSI-ASC A14. 8-2013), and complies with the 9. 1. 1 Foot Slip Test.CHECK THE STAIRS’ STEPS SIZE: in order to use Ladder-Aide Pro, step’s rise has to be between 4. 921″ and of 7. 875″, while the step’s run has to be between 8. 268″ and 13. 975″.Meets and exceeds ANSI-ASC weight standards for ladders (ANSI-ASC A14.8-2013), and complies with the 9.1.1 Foot Slip Test
