The 72535 Werner Extension PLUS™ X4 3.53m Triple Box Section Reform Combination Ladder features box section stiles that are designed to ensure the ladder is lightweight but strong. This ladder is ideal for use in a trade environment. With 3 sections, this product can be used in stepladder, freestanding extension ladder or extension ladder mode. Suitable for professional use. Features Combines as an extension ladder, freestanding extension ladder and stepladder Box section stiles for strength and rigidity Manual Thumb operated locking catches to prevent the sections separating Slip-resistant rungs and feet for comfort and security Safety certification: BSEN131 150kg load capacity suitable for Industrial use Available in 5 sizes Specifications Style: ExtensionPLUS™Number of Positions: 4Closed Length: 3.52m Extension Ladder Open Length: 8.54m Extension Ladder Safe Working Height: 9m Stepladder Safe Working Height: 4.30m Stairway Ladder Safe Working Height: 6.15m Highest Standing Level-Extension Ladder: 7.25m Extending Stepladder Open Height: 2.55m Ladder Width: 0.47mNumber of Treads: 35Material: AluminiumApprox. Product Weight: 25.6kgMax. Load: 150kgType: Triple Box SectionFoot Material: PlasticNumber of Sections: 3Tread Type: D-RungsSection x Rungs: 3 x 12