- Front frame: AL rectangular profile 40x20mm;
- Back frame: AL rectangular profile 33x20mm;
- Platform: isosceles trapezoid with 250x260mm base ( middle base 255mm and 270mm height), dust painted steel;
- Holding profile: 600mm height above the final platform.
- Steps: 80mm width; Strong AL profile, ribbed anti slip surface;
- Rear leg and steps attachment to the front frame: secured with rivets; Attachment is secured using plastic caps.
- The ladder legs are secured against slipping with special plastic shoes.
- Models USS-6, USS-7 and USS-8 are built with extra stability using safety polypropylene belts with high strength.