Descriptions:The whole ladder stanchion is made of various hollow ladder stanchion joints such as bamboo stanchions from large to small circular pipes or square pipes. It can be stretched and shortened just like fishing rod. The ladder pillar section of the previous section can be inserted in the middle of the ladder pillar section of the next section, and it is closely coordinated. Finally, all ladder pillar sections are shrunk to the last, so as to complete the shrinkage of the entire ladder pillar.Features:-Made of 6063A aluminum, stable and durable.- Folding design, portable and convenient for storing.-Each rung of ladder has 2 locking pins, more practical.-Non-slip foot sleeve with strong wear resistance, can slip.- It has a strong bearing capacity and can bear 150 kg of weight.-Widely used in various enterprises, families, telecommunications.Notes:-Always check that all buttons are locked in the exact position before you climb the ladder.-Inclination angle should not exceed 75 degrees.- Ladder to be on an even, level and immovable base.-Do not exceed the maximum total load.- Do not stand on the top three steps/rungs of the leaning ladder.-Use the ladder outdoors in adverse weather conditions, such as strong wind.- Wear suitable footwear when climbing the ladder.