About this item 【4-step Light Weight Ladder】: KINGRACK Ladder adopts to aviation aluminium alloy material, this weighing only 12.06 lbs, much lighter than the others, the special aluminum material makes it anti-rust, anti-corrosion, anti-scratch, prolonging the service life of the ladder 【Safety Lock & Sturdy Structure】: The step stool has a perfect triangular shape structure, and the cross metal support frame design on both sides, which can strengthen the support of the treads, making the…