Extension size: 190*50*107cm Folding size: 199*50*13cm ΛTotal step: 7 steps Space between two rungs: 210mm

*1.household ladder *2.thickness of aliminum:1.2mm*3.Extension size:190*50*107cm *4.Folding size:199*50*13cm *5. step:one to seven 

adjustable ladder