Constructed of proprietary, high-grade elastic polyurethane and coupled with 6203 premium precision ball bearings for added strength and durability. The upgraded tread provides a longer life, reduces the force required for movement, rejects debris, and offers exceptional floor preservation. Orange tread color. 85 shore a. Wheel core is constructed of high-grade, light-weight, water resistant aluminum.<br>Features:<br>* Order by 6 pm for same day shipping.<br>* Constructed of proprietary, high-grade elastic polyurethane and coupled with 6203 premium precision ball bearings for added strength and durability.<br>* The upgraded tread provides a longer life, reduces the force required for movement, rejects debris, and offers exceptional floor preservation.<br>* Quantity quotes available.<br>Order online from Box Partners today.