Xtremepowerus 8" Inch Pneumatic Caster Set Of (4) Large Size Tire Heavy Duty Product Details Withstands rigorous use in warehouses, shops, restaurants, schools, and hospitals. Really helps moving it without inducing vibration, rattling, squeaking, and other hazards and annoyances Effortless 360-degree pivoting. Premium ball bearings ensure optimal maneuverability and minimal resistance Tire has a high quality rubber casing designed for long life; Sturdy pneumatic tread material provides enhanced noise reduction and consistent roll on any surface Our caster wheel supports up to 300 pounds of load. With minimal rolling resistance, loads are easier to push and transport over smooth or hard surfaces such as concrete with no dragging Mount Size: 4-1/2" x 4"; Tire Size: 8"; Tire Width: 2-1/4"; Overall Height: 10" | Package Content: (2) Rigid Fixed (2) Swivel Tires Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.