The 310 aluminum 10 feet step ladder has a duty rating of 300 lbs. yet is lightweight and easy to transport. The Tool-Tra-Top has a drill holster. convenient tray for tools/paint and small parts. There is also a sturdy molded paint can hanger on the backside of the top. The Spill-Proof pail shelf has a rag rack and holds a gallon paint can and automatically closes with the ladder. There is a full set of horizontals on the rear section and the 4 feet. 5 feet and 6 feet models have a unique H spreader with hand grip for easy one-handed carrying and closing. The Traction-Tred steps are slip resistant and double riveted.Top to Bottom: 10 Safe Reach Height: Overall Width.Side to Side: 30 Overall Depth.Front to Back: 66.