Product Details Enhance your workspace efficiency with this heavy-duty 4-step rolling ladder, engineered to combine industrial-grade durability with effortless mobility. Featuring a high-strength cold-rolled alloy steel frame with reinforced welding points and extra-thickened load-bearing steel plates, it delivers exceptional stability and reliable support for even the most demanding tasks. The wide anti-slip treads on every step and a generously sized platform with textured non-slip surface ensure secure footing during ascent and descent, while the three-sided surround guardrail provides comprehensive fall protection, making every climb safe and confident. Equipped with 360° swivel casters and silent rubber wheels, this rolling ladder glides smoothly across various floor surfaces, and the built-in brake locks securely anchor the ladder in place with a simple step, eliminating unwanted rolling or shaking during operation. Whether you need to access high shelves in a warehouse, organize inventory in a supermarket, retrieve books in a library, or perform maintenance in a garage, this versatile mobile platform ladder adapts effortlessly to diverse environments. Its sturdy construction and thoughtful safety features make it an indispensable tool for both industrial and commercial settings, offering a perfect balance of portability, stability, and security. Specification: Material: Cold-Rolled Alloy Steel Overall Dimensions: 28"L x 18"W x 50"H Color: White Use Type: Indoor Steps: 4 Wheels: 360° Swivel Casters with Brake Locks Guardrail: Three-Sided Surround Guardrail Load Capacity: 800 lbs