3 section, 16 Ft. indoor/outdoor extension ladder has interlocking side rails and spring-loaded locks for easy operation. Traction-Tred D rungs are slip-resistant. Shoes rest flat or are held in spur position with Shu-Lok feature. ALFLO rung joint makes ladder twistproof. Mar-resistant end caps help protect the surface ladder is leaning against. Compact design retracts to 6 Ft. 3 In. making it easy to maneuver around corners and through doors. Fits in most vehicles and has a convenient carrying handle. Type II duty rating 225 Lb. load capacity.