STRONG STABILITY ROLLING LADDER: The stairs are made of alloy steel with high strength and good stability. The sturdy steps have non-slip treads and strong load-bearing capacity (up to 1100 pounds). Offering a safe, stable platform for heavy-duty tasks in warehouses or industrial environments. Which makes your safety more secure and can be used for a long time. EASY TO MOVE: This rolling ladder is equipped with four silent universal wheels (with brakes). The stairs are firmly fixed when locked to avoid movement during work and enhance safety. After unlocking, it can be easily moved and transported to different locations, adding more convenience for daily use. SAFE AND STABLE: Our rolling ladders have anti-skid treads to increase friction, the three-sided fence design prevents falls during work. In addition, the top steps are equipped with 23.6-inch high railings and 18.1-inch wide treads to increase safety during use. This warehouse staircase has long handrails, making it safer for you to go up and down the stairs. EASY TO INSTALL: This rolling staircase comes with installation instructions and installation accessories. It's ready to assemble using the included tools and installation instructions. Various floors including wood, marble, cement, etc., ensuring stable use on different floors. VERSATILE: This step brings more convenience to daily life, such as reaching high places, changing light bulbs or cleaning windows, taking books, etc. It is suitable for households, shops, supermarkets, libraries, warehouse & supermarket shelves, etc. *Welding Connection: Professional welding technology makes its structure more stable and provides better carrying capacity to protect your safety. *Convenient Wheels: 4 wheels make it easy for you to move this product to different positions. Specifications Color: White, Black Material: alloy steel Process: Welding Assembly Required: Yes Mounting Type: Floor Standing Number of Wheels: 4 Top Step Width: 46cm/18.11in Max. Top Handrail Height: 60cm/23.6in Max. Load-bearing Capacity: 1100 lbs