TL-I-38B / China*
- Size: 88.5*48.5*8.8cm
- Maximum height: 3.8m
- Reduced height: 0.87m
- Number of steps: 13 steps
- Aluminum thickness: 1.3 - 1.5mm
- Weight: 11kg

M205New / AMECA - USA
- Material: T6063 aluminum alloy, powder coated
- Aluminum thickness: 1.5mm
- Number of steps: 4 steps * 4 sections
- Straightened height: 5.8m
- Height of letter A used: 2.9m
- Folded height: 1.52m
- Step distance: 28cm
- Weight: 16.5kg; Load capacity: 150kg
- Closed size: 152*35*26cm(L*W*H)
- Standard: EN131

SK510 / SUMIKA
- Frame material: Aluminum
- Maximum height of letter I: 5.1m
- Reduced height: 1.03m
- Number of steps: 14 levels; Distance of steps: 38cm
- Thickness: 1.2mm - 1.5mm
- Load capacity: 300kg
- Dimensions: 49.5cm x 10cm x 105cm
- Weight: 12.9kg