MetalTech 5-in-1 17-ft. Aluminum Telescoping Multi-Position Step Ladder, 300 lbs. Load Capacity, 18 ft. Reach, Type IA Duty Rating E-MTL7100AL - The Home Depot
Amazon.com: Aluminum Telescopic Ladder 18 Ft Heavy Duty Commercial Grade, 440 Lb Large Loading Capacity, Telescoping Extension Ladder with Detachable Hook and Bottom Rung (Size : 18 ft) : Tools & Home Improvement