Swallow step ladders mainly used in greenhouses for harvesting. With handrails at the 3rd step for picking at ground level.
Optional: Puncture-proof wheel with tape
| Elevation (m) | Wheelbase (m) | Number of steps | |
| HL 4 | 1,05 | 1 | 4 |
| HL 4.2 | 1,05 | 1 | 4 |
| HL 5 | 1,25 | 1 | 5 |
| HL 6 | 1,45 | 1,10 | 6 |
| HL 7 | 1,70 | 1,10 | 7 |
| HL 8 | 1,95 | 1,10 | 8 |
Upper bed size: 42x41cm (except model HL4.2 : 72x41cm)