Stealtho Advanced Office Chair Wheels Set Of 5 - Protect Hardwood Floor Carpet Product Details U.S. UTILITY PATENT: Castor system for moving furniture. We reconsidered mechanical design castors engineering. Unique design free from analog roller blade wheels issues. Polyurethane material for floor protection quiet operation easy installation EXPERIENCE FREEDOM from Plastic Chair Mats - High-tech elastic urethane of our gaming chair wheels-set makes movements easy and noiseless. Enhanced durability and floor protection ensure a seamless long - lasting glide for any office setting SMOOTH QUIET CABLE CROSSING: Our patented office chair swivel wheels are designed to protect your hardwood parquet laminate linoleum tile or low pile carpet. These casters glide smoothly safeguarding your floors and preserving phone cables HEAVY-DUTY office chair wheels feature a new geometry rubber roller casters and a Japanese steel body, withstanding up to 600 lbs. The caged bearings prevent bearing balls from scattering across your floor EASY to INSTALL NO TOOLS REQUIRED: Our rollerblade office chair wheels fit 99% of desk chairs. DON'T fit IKEA. Please make sure it is compatible with your computer stool and check the size our stem is 7/16" x 7/8" inch 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.