Made with 100% pure polyurethane tread. This caster is a great upgrade for standard polyurethane. Designed using a new liquid cast flow fusion that ensures a 100% mechanical bond to core and "zero" trapped air. It has a high resistance to debris and most chemicals. The proprietary tread provides good floor preservation, and has a longer life performance than standard polyurethanes. Green tread color. 90-95 shore a. Wheel center is constructed of polyolefin.<br>Features:<br>* Order by 6 pm for same day shipping.<br>* Made with 100% pure polyurethane tread.<br>* This caster is a great upgrade for standard polyurethane.<br>* Quantity quotes available.<br>Order online from Box Partners today.