The 577 Series 4.7m double section extension ladder is constructed using high grade aluminium and extends to 8.33m. Box section stiles provide added rigidity and sturdiness to ensure maximum performance on the job site. Features include unique wrap-around top clips with smooth-glide runners to reduce wear and tear, slip-resistant square shaped rungs, and a wide stabiliser for added safety during use. Approved to the latest EN131 standard. For Professional Use. High performance robust box section stiles for durability Integrated ladder level gauge for accurate positioning Slip-resistant square rungs for comfort and security Unique wrap-around top clips with smooth-glide runners to reduce wear and tear Locking catches secure sections together for safe use and easy transportation 150kg load capacity** Approved to the latest EN131 Standard For Professional Use