Purchase Of An Extendable Aluminum Staircase For The Maintenance Sector Of The Neuquen House In The Autonomous City Of Buenos Aires Extensible Aluminum Staircase. Antiderrape Articulated Safety Shoes. Flat Steps Don -Stop D Non -Slip. Double Lock Of Aluminum Cast Iron. Elevation System By Rope. For Height Maintenance Work. Light And Water Resistant. Load Capacity 175 Kg