W.steps' Adjustable Safety Feet for Ladders (opens in new tab)

About thirty years ago, Swedish company W.steps invented the telescoping ladder. Now they've made it a bit safer for use in tricky places, with these add-on Adjustable Safety Feet.They're a lot larger in person than they appear in the photos.The feet are on ball joints, allowing them to tackle both level and slanted terrain.They can be retrofitted to W.steps' ladder in a few minutes.The maximum adjustment range is 8.6 inches, which is more than enough to handle any code-compliant staircase.