The ExtensionPLUS™ X4 2.41m triple section combination ladder features rigid box section stiles that are designed to ensure the ladder is lightweight but strong. With slip-resistant D shaped rungs and manual thumb operated locking catches to prevent sections separating, this ladder is ideal for use in a professional environment. The versatile multi-functional design of the X4 enables this ladder to be converted into 4 different modes to provide greater flexibility around the work site. Conversion modes include a stepladder, freestanding extension ladder, stairwell or extension ladder mode. Approved to the latest EN131 standard. For Professional Use. Features: Combines a large stepladder, extension ladder, stairwell ladder and freestanding extension ladder all in one product Robust box section alloy stiles for strength and rigidity Thumb operated locking catches prevent the sections separating, both in use and when being transported or stored Slip-resistant D rungs for comfort and