This is a very popular castor for the replacement of supermarket shopping trolleys.
The stem castors made by PVC material, it’s Cost-effective wheels. If you want a number of cheap and good quality wheels, then the castors made by CARING EQUIPMENT is a good choice for you.
Threaded stem inserts directly into carts or racks. No bolts required. This make the replacement very easy, everyone can replace the wheels of shopping carts easily.