OEM 20 Step Aluminium Heavy Duty Multipurpose Roller Folding Double Sided Ladder (M57ML + Roller + Rubber)

✔Thickness of aluminum 1.2mm ✔Maximum static vertical overload : 150kg ✔Made of high quality aluminum ✔Smart design extension ladder easily converts into a variety of configurations ✔A few adjustments to the locks and angle rotation of the cleverly designed joints ✔The ladder become an step ladder, scaffold, overhang ladder, stairwell scaffold ✔This 4 section hinged folding ladder is lightweight and easy to store. ✔Auto locking hinges ✔Ladder stabilizer bars with rubber grips ✔Safety, quality and versatility ✔Lightweight and portable, easy to store ✔Great for attic, library, above ground pool, bunk bed, apartment fire ladder escape and trampoline