


|  |  | 
|                High quality Nylon coupling |              Strengthening alu tube overlap | 
|          good wear resistance and toughness, long service life |                     greatly improve ladder sturdiness & quality | 
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|                   Ergonomic grip handle |                   Anti-slip soft rubber feet | 
|                                easy-carrying to anywhere | non-skid end sleeves hold the ladder firmly in place | 
| Model | ST320 | ST380 | ST440 | ST510 | ST540 | ST630 | 
| Step | 11 | 13 | 15 | 14 | 15 | 16 | 
| Extension Height | 320cm | 380cm | 440cm | 510cm | 540cm | 630cm | 
| Max Working Height | 380cm | 440cm | 500cm | 570cm | 600cm | 690cm | 
| Closed Height | 78cm | 84cm | 91cm | 97cm | 102cm | 107cm | 
| Product Weight | 8.7kgs | 10.6kgs | 12.3kgs | 13.4kgs | 14kgs | 16.0kgs | 
| CBM | 0.035 | 0.038 | 0.044 | 0.049 | 0.051 | 0.055 | 
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| > Telescopic ladder with safety bracket | > 3.8 m telescopic ladder lightweight |