Made With 100% Pure Polyurethane Tread. This Caster Is A Great Upgrade For Standard Polyurethane. Designed Using A New Liquid Cast Flow Affusion That Ensures A 100% Mechanical Bond To Core And "Zero" Trapped Air . Green Tread Color. 90-96 Shore A. Wheel Core Is Consructed 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.