This mini ball caster is designed for DIY smart cars, robotics, and automated guided systems. Its compact structure features a high-grade nylon housing and a precision stainless steel ball, ensuring smooth 360° rotation with minimal friction. Ideal for enhancing mobility in robotic chassis, the caster supports omnidirectional movement while maintaining stability under light to moderate loads. The corrosion-resistant material guarantees durability, making it a reliable component for projects requiring precise maneuverability.