INTSUPERMAI Ceiling Mounted Folding Loft Ladder Attic Stairs Black 10.5Ft Height 13 Steps (Ceiling Opening Size 31.5"x 39.37")

【Ceiling-mounted Type】This Attic Ceiling Ladder is Ceiling Mounted Type. It CAN NOT be installed on the vertical wall and it should be installed on the ceiling. The handrails on both sides are black and the steps are white. 【31.5in x 39.37in Opening Size】Ceiling Opening Hole Size: 80×100cm(31.5in x 39.37in); Thickness of the ceiling: 130-500mm/5.12-19.68in. The distance between opening hole and the wall should be greater than 50mm/1.97in. Please confirm these sizes before ordering. 【3.2m/10.5ft Height】Maximum vertical height stretched out is 3.2m/10.5ft. Steps: 13; Step Size: 15.7 x 5.1 in. The length of the ladder when fully opened is about 3.5m/11.5ft. After opening, the distance between the support feet and the wall is about 1.4m/4.6ft. If you need a height below 3m/10ft, you could remove the steps to reduce the maximum height. 【Al-Mg Alloy Material】It adopts high quality aluminum-magnesium alloy material. The surface adopts electrostatic spraying technology, which is stable in quality, durable, anti-corrosion and anti-aging. And it has a thickened S-shaped strings design, this scissor stair structure can enhance the bearing capacity, its load-bearing capacity could reach 660 lb/300kg.