Upgrade your space with the 6.6ft Rolling Library Sliding Ladder Hardware Kit, designed to offer both functionality and style. Constructed from heavy-duty carbon steel, this high-quality track system supports ladders up to 330 lbs, making it perfect for libraries, lofts, or storage rooms. The precision-engineered upper and lower pulleys ensure a silent and smooth sliding experience, while the high-quality polyurethane wheels and brake system provide added durability and safety.