The height of the triple part extension ladders that can be used as three-phase and retractable can be adjusted by fixing the steel bolts to required step. The system of retraction and step lacking is very strong and safe.
They can be used in various areas such as signboard assembly, advertisement board assembly, window system assembly and likewise duties. Each of the parts can be used independently when required. They are very useful models to reach higher places with their practical, light and safe design.