| CODE | PRODUCT TYPE |
| 12-NTK003 | SINGLE STAGE MULTI-PURPOSE 3+3 STEP LADDER (100/200 CM) |
| 12-NTK004 | SINGLE STAGE MULTI-PURPOSE 4+4 STEP LADDER (120/240 CM) |
| 12-NTK005 | SINGLE STAGE MULTI-PURPOSE 5+5 STEP LADDER(145/290 CM) |
| 12-NTK006 | SINGLE STAGE MULTI-PURPOSE 6+6 STEP LADDER(175/350 CM) |
| 12-NTK007 | SINGLE STAGE MULTI-PURPOSE 7+7 STEP LADDER(210/420 CM) |
| 12-NTK008 | SINGLE STAGE MULTI-PURPOSE 8+8 STEP LADDER(230/460 CM) |
| 12-NTK009 | SINGLE STAGE MULTI-PURPOSE 9+9 STEP LADDER(270/540 CM) |
| 12-NTK009 | SINGLE STAGE MULTI-PURPOSE 10+10 STEP LADDER(295/590 CM) |