Check the listing for details. DIY Adapter Substitute X-over Brass Universal Joint Coupling RC Model Boat Car. Color: Brass, Condition: New. Listed at 6.64 USD. Description: Quantity : 1pc Material: brass 2x2mm Length: 18 mm, outside diameter: 8 mm 2x3mm Length: 18 mm, outside diameter: 8 mm 2x4mm Length: 18 mm, outside diameter: 8 mm 2x5mm Length: 18 mm, outside diameter: 8 mm 2.3x2mm Length: 18 mm, outside diameter: 8 mm 2.3x3mm Length: 18 mm, outside diameter: 8 mm 2.3x4mm Length: 18 mm, outside diameter: 8 mm 3x3mm Length: 18 mm, outside diameter: 8 mm 3x4mm Length: 18 mm, outside diameter: 8 mm 3x5mm Length: 18 mm, outside diameter: 8 mm 3.17x3mm Length: 18 mm, outside diameter: 8 mm 3.17x3.17mm Length: 18 mm, outside diameter: 8 mm 3.17x4mm Length: 18 mm, outside diameter: 8 mm 3.17x5mm Length: 18 mm, outside diameter: 8 mm 4x4mm Length: 20 mm, outside diameter: 8 mm 4x5mm Length: 20 mm, outside diameter: 10 mm Payment Policy : We only accept payments via PayPal. Shipping Time & Method: Item will be shipped within 3 days after payment is confirmed. Goods will be sent via airmail . Delivery takes about 18-25 business day (without holidays). All products have been checked and packaged in good condition before dispatch. Please make sure your address in PayPal is matched with your shipping address before pay. If you would like to change the address, please contact us IMMEDIATELY after your payment. Return policy : After receiving item.,items can be returned within 30 days . Items must be the original packaging. No use. No damage. Buyers bear the freight cost.