Check the listing for details. #1412 2 Blades Nylon Paddle Boat Propeller High Strength 3mm / 4mm RC Boat Shaft. Color: Black, Condition: New. Listed at 5.22 USD. Description: 1pc 2 Blades Nylon Paddle Boat Propeller High Strength 3mm / 4mm Rc Boat Shaft #1412 Quantity : 1pc 100% Brand New Material:PC Resin Aperture:Φ3mm(for 3mm boat shaft) Aperture:Φ4mm(for 4mm boat shaft) Diameter:D30/32/34/36/38/40mm diameter: 30mm H14mm d7mm shaft aperture : 3 mm diameter ：32mm H15mm d7mm shaft aperture : 3 mm diameter ：34mm H15.5mm d7.9mm shaft aperture : 4 mm diameter ：36mm H16.5mm d7.9mm shaft aperture : 4 mm diameter ：38mm H17mm d7.9mm shaft aperture : 4 mm diameter ：40mm H17.5mm d7.9mm shaft aperture : 4 mm Note: The shaft is for show only. 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.