Keep your ladder safe and level with the new PK100, LevelSafe Pro from Werner. Automatically level your ladder on uneven surfaces up to 8.5”. No cutting of ladder required. Drew McBride, of Morris Marketing and SSCT, goes over the easy and quick process of installing the new PK100 LevelSafe Pros on a Werner ladder. This leveler is professional grade and works on ladders duty rated from Type II to IAA in aluminum and fiberglass.