Check the listing for details. 1PC 8x8mm RC Boat Car Universal Joint Coupling U-Joint (US GOOD SELLER/SHIP). Color: Metallics, Condition: New. Listed at 7.49 USD. Product Description: Φ8mmxΦ8mm RC Boat U-Joint with Set Screws Dimension: D14xΦ8xΦ8xL35mm Weight: 24g Package Includes:1PC Φ8mmxΦ8mm RC Boat U-Joint (with 2 Set Screws)Store Policy: Welcome to TopHobbyUs eBay Store. We are committed to ensuring that you are completely satisfied with every transaction. SHIPPING:We ship your order using USPS First Class Package with a Tracking Number.Feel free to contact us, if you wish to ship your order with express service.Approx. Delivery Time: 2-5 Business Days. We will try our best to ship out your order in 24 hours.PAYMENT:We accept PayPal Payment only.RETURN POLICY: If item is defective upon receipt, customer has up to 30 days from date of receipt for an exchange or refund. If you change your mind,you can return the items to us and must keep in the original box. Buyer should pay for the returning shipping costs, and we will refund the items value (not including shipping). We are committed to ensuring that you are completely satisfied with every transaction. If you are unhappy/unsatisfied with your purchase, please contact us before you leave feedback. We will try our best to resolve the problem.