The 72518 Werner Extension PLUS™ X4 1.85m 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: 1.84m Extension Ladder Open Length: 3.78m Extension Ladder Safe Working Height: 4.40m Stepladder Safe Working Height: 2.72m Stairway Ladder Safe Working Height: 3.25m Highest Standing Level-Extension Ladder: 2.65m Extending Stepladder Open Height: 0.97m Ladder Width: 0.47mNumber of Treads: 17Material: AluminiumApprox. Product Weight: 11.6kgMax. Load: 150kgType: Triple Box SectionFoot Material: PlasticNumber of Sections: 3Tread Type: D-RungsSection x Rungs: 3 x 6