Material:AluminumFeature:Folding Ladders,Insulation Ladders,Telescopic LaddersType:Domestic LaddersStructure:Step LaddersThickness:1.5mmMax load:330lbsMaterial:AluminumStructure:Step LaddersFunctions:Telescopic LadderFeature:Folding LaddersType:Domestic LaddersPushing button:security designColor:Customized