The Heavy Duty 4 Pieces 10 Kg Ball Transfer Unit Caster Wheel is a set of four robust ball transfer units designed for efficient, omnidirectional load movement in industrial and commercial environments. Each unit supports up to 10 kg (about 22 lbs), enabling smooth 360-degree rotation and low-friction sliding for precise positioning of moderate-weight objects. This set is ideal for conveyor systems, assembly lines, and workstations where easy transfer without manual effort is essential.