The VEVOR Concrete Knee Boards are specifically designed for use in construction and renovation. With a generous size of 30 x 8 inches, these knee boards provide a stable and comfortable surface that minimizes pressure on the knees while working. Made from high-quality stainless steel, the gliders are characterized by their durability and resilience, making them ideal for use on rough surfaces. The smooth surface of the knee boards allows for effortless gliding over concrete, thereby increasing work efficiency. These products are not classified as medical devices but serve as practical tools for craftsmen and construction workers who frequently work on their knees. The use of metal as the primary material ensures high stability and a long lifespan, even with intensive use. The VEVOR Concrete Knee Boards are thus a valuable addition to any professional equipment, combining comfort and functionality.