2 Section Aluminium Extension Ladder is suitable for DIY and light commercial use. Twist proof rungs enhance safety and allow double sided use and clips lock sections together. Available in different sizes(Sections by Rungs: 2x8, 2x9, 2x10, 2x11, 2x12, 2x13, 2x14, 2x15, 2x16, 2x17, 2x18, 2x19, 2x20, 2x21, 2x22). The 2 section extension ladder is used by thousands of homeowners. This premium quality ladder combines lightweight with outstanding strength and durability.