This ladder is telescopic, therefore better transport and storage option (no lashing on the car roof) Telescopic ladder with sturdy, 80 mm deep, non-slip steps (TRBS 2121-2 compliant) The telescopic ladder is released via a 2-button locking system Brake/sliding system when inserting the ladder prevents fingers from getting caught The scope of delivery includes a ladder of the PrimeLine series designed for commercial and professional use.