Telesteps Adjustable Safety Feet allow you to adjust the ladder-feet so they are level when the ground is sloping, uneven or there are level differences. It evens out surface irregularities of up to 220mm. No matter where you're putting your ladder, you'll always have full contact with the ground. Its unique built-in ball joint makes a safe and steady grip possible. The big rubber plates ensure extraordinary friction and the feet are touching ground in all circumstances. The Adjustable Safety Feet may also be supplemented with our Ground Spikes (sold seperately) for extra good grip in muddy, snowy or icy environments. Certified for 150kg according to EN131 standards. Technical Specs Built-in ball joint for maximum contact with the surface.