Great 20 ft. extension ladder for household use. Patented Alflo technology for twistproof performance. Spring load locks operate smoothly. Pivoting shoe with slip resistant pad. Use indoor or out for painting. cleaning gutters. household chores.QuickLatch.-Quicklatch equipped runglock provides easier method of securing fly base sections when extended.Swivel safety shoes.-Heavy duty plated steel shoes with thick rubber tread. Shoe can be used with tread down or in spike position.D-Shaped Rungs.-Tempered. serrated aluminum rungs provide for a slip-resistant surface.225 Lbs work load capacity.