1) Meet EN131 certificate
2)Max.load: 200KG
3)Small platforms
4)Open height:3.7M
5)Non-slip surface

Spec:

Extension Length: 356 cm

A step ladder height: 174 cm

Close up Height: 94 cm

Number of rungs: 4foldsx3steps,

total steps:12 STEP; Space between two rungs: 28cm

Aluminum mode:6063,Thickness of Aluminum:1.2mm