The Syneco 4.5m Multipurpose ladder is suitable for a variety of applications as it can convert into four different configurations, a single straight ladder, a double sided ladder, two individual trestles and an extension ladder reaching heights from 2.7m - 4.5m. Ideal for the trade professional or serious DIYer looking for versatility in reaching difficult heights and places, and perfect for jobs within a stairway | Syneco 4.5m 120kg Multipurpose Aluminium Ladder