The 8" x 2" Polypropylene Caster Wheel is designed to support the load of a heavy object, making it perfect for workbenches, shelving, tables, and other heavy equipment. The wheel has a polypropylene core and polyolefin tread. It features standard tread design and is made of black polypropylene, so it is strong enough to handle your heaviest loads. The wheel is easy to install, and is designed to be durable and long lasting.. This item has been restricted from sale in the following state (s): []