Step Ladder Stabilizer, Levelers for Extension Ladders, Adjustable Height Range for Single and Extension Ladder for Stairs 9.25”-15.5”. Versatile Extender Ladder Pro:Our ladder leveler tool allows you to use your extension ladders on stairs by creating a stable, leveled base on stairways,Base width of 21"×5.65" and 9.25”-15.5” Adjustable Height Range Stair ladder leveler High Strength for Single and Extension Ladders.
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