Model No | ZX3021S | ZX3022S | ZX3023S | ZX3024S | ZX3025S |
| Material | Aluminum alloy | Aluminum alloy | Aluminum alloy | Aluminum alloy | Aluminum alloy |
| Step material | Aluminum alloy | Aluminum alloy | Aluminum alloy | Aluminum alloy | Aluminum alloy |
| Overall size | 600*550*370 | 880*590*430mm | 1170*740*470mm | 1460*890*510mm | 1750*1040*550mm |
| Size of step | 60*35mm | 60*35mm | 60*35mm | 60*35mm | 60*35mm |
| Number of step | 1 | 2 | 3 | 4 | 5 |
| Spacing between steps | 300mm | 300mm | 300mm | 300mm | |
| Extend length | 600mm | 880mm | 1170mm | 1460mm | 1750mm |
| Closenup length | 630mm | 920mm | 1220mm | 1520mm | 1820mm |
| Max loading capacity | 90KGS | 90kg | 90kg | 90KGS | 90kg |
| Packing Size | 630*370*160mm | 920*430*170mm | 1220*470*170mm | 1520*510*170mm | 1820*550*170mm |
| N.W | 3.1kg | 4.2kg | 4.9KGS | 6.2kg | |
| Container QTY20/40' | 400/800 | 280/560 | 185/370 | 140/280 |