Automatic leveling: Place the ladder on uneven surfaces and the leveler adjusts to find level. The accessory system automatically levels the ladder up to 8.5 in. without having to pick up the ladder.

• Safe. The Little Giant Leveler meets or exceeds all applicable OSHA and ANSI standards. It is rated to hold 300 lbs as an extension ladder and as a true two-person, two-sided stepladder.

It weighs 14 pounds, supports up to a 32-foot ladder and a 30-degree slope. It’s a bit pricey at $320 and $330 for the standard and heavy duty varieties and is available at the Thor-Stand website.

Climbing up a straight ladder from an uneven surface without chocking or blocks is so much safer when using the Little Giant Ratchet Levelers. It can fit in an elevator and give firefighters ...

Best for Roof Access Protecting your rain gutters is the biggest appeal of the Ladder-Max Stand-Off Stabilizer. This measures 19″ x 37″ x 21″ and it will install to your ladder in seconds ...

Other leveling systems do already exist, that consist of individually-adjustable extensions that slide down from each leg of the ladder and lock into place.