A step ladder is a portable ladder that consists of a framework with rungs or steps. It is designed to provide a stable platform for reaching higher areas, making tasks like painting, cleaning, or changing light bulbs easier and safer. Step ladders come in various heights and materials, such as aluminum or fiberglass, and often feature a locking mechanism to ensure stability while in use. Most step ladders have a wide base for added support and may include a top platform for extra convenience. They are commonly used in homes, offices, and construction sites, making them essential tools for both professionals and DIY enthusiasts.