The Storage Rack Caster Wheels are a versatile and durable solution for enhancing the mobility of your storage racks. Designed to fit boltless self-locking shelving systems, these wheels ensure easy movement and secure display, making it effortless to transport heavy items around your workspace or home. Constructed with heavy-duty ball bearings and a durable steel frame, each wheel can support a maximum total capacity of 1500 lbs, providing superior strength and corrosion resistance. The polyurethane (PU) material of the wheels ensures long-lasting use, while the 3 in. size and 1.77 in. width deliver stability and reliable performance. These wheels absorb shock and vibration, reducing noise during operation and ensuring smooth and quiet movement. With these caster wheels installed, your rack will no longer remain stationary but instead roll with ease, providing enhanced functionality. Ideal for both commercial and home storage solutions, this set of 4 wheels is designed to withstand heavy loads while ensuring safety and convenience. Installation is quick and simple, allowing you to retrofit your existing storage rack for a more mobile and efficient setup. Enjoy effortless movement and maximum loading capacity with these premium, heavy-duty caster wheels. Color: Black.