Safely work at height with extendable ladders and retractable ladders from Grainger. Our rugged extension ladders are available in various heights, load capacities, and in D-rung or traditional round-rung style. Choose a lightweight, aluminum model that’s easy to move and transport. When working around electricity a nonconductive fiberglass model is the ideal choice. Our selection of collapsible ladders includes many models that can open, close, and lock by foot and can be opened from top or bottom. Many feature closure straps and integrated carry handles that allow easy transport on your jobsite.