The Metolius 4 Step Aider is a classic staggered triangular step aider. The steps have stiffeners so that they stay open during use and the clip in point is reinforced for durability. The top 2 steps have half steps for those times when every inch counts.Sub-steps in the top two steps.dedicated clip-in point at the bottom for extending aiders without collapsing the bottom step.Overall length: 60inch.Step spacing: 14inch.Weight: 8.5oz (241g).End-to-end strength: 18 kN (4050lbf).Grab loop strength: 22 kN (4950lbf).Steps strength: 4.4 kN (1000lbf).