Caster wheels is made of high quality PVC, no smell, easily move heavy objects to any desired area; Whether in warehouses, shopping malls, or other industrial areas, the wheels work quietly, keeping your life away from the effects of noise. Can be used in many places, such as Heavy Industrial, Heavy duty equipment, the Supermarket, Restaurants, School, Hospital, some heavy duty hand trucks and so on. It can installed on heavy equipment or other heavy objects for easy movement. Whatever your workplace needs assistance making mobile, caster wheels are a quick fix.steering performance is very good, each caster has 360 degrees of steering, can rotate smoothly on the ground, the brakes ensure the stability of the wheel. Large load capacity, stable and good performance. Not all surfaces are perfectly level, so there are times when only 3 of the wheels will be bearing the brunt of the load so be it’s always wise to choose casters that can handle the load. Caster wheels will be supplied with screws and nut and two wrench, one wrench for fixing the other for twisting. No need to spend time looking for screws, nut and wrench. Convenient, time-saving, easy to install. CoolYeah caster wheels guarantee your convenience.