4pcs Model Electric Boat Drive Shaft Dia 2/3.14/4/5mm Rigid Transmission Axis 15mm Thread Hard Axle L100-300mm RC Ship DIY Parts Specifications: Product name: rigid shaft/hard shaft/drive shaft/transmission shaft Diameter: 2mm/3.14mm/4mm/5mm Shaft length: 100mm/200mm/300mm Thread length: 15mm Item type: 2xL100mm: weight 2.4g/pc 2xL200mm: weight 4.9g/pc 2xL300mm: weight 7.4g/pc 3.14xL100mm: weight 5.9g/pc 3.14xL200mm: weight 11.9g/pc 3.14xL300mm: weight 18.3g/pc 4xL100mm: weight 9.3g/pc 4xL200mm: weight 19.3g/pc 4xL300mm: weight 29.1g/pc 5xL100mm: weight 15.9g/pc 5xL200mm: weight 30.2g/pc 5xL300mm: weight 46g/pc Application: Suitable for electric boat model spare parts. Package include: 4pcs x drive shaft Shipping 1.If you need to buy in bulk, please contact, we will reply in 24 hours. 2.We are always working hard to ensure your package arrives as soon as possible. Please understand that some factors like weather, high postal traffic, and the performance of shipping companies are outside of our control. 3.Usually product Reaches after about 12-45 business days depending on destination.If you have not received your shipment within 45 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Refund or resend product will be offered if item still not received. 4.We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important. We ask you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.It is impossible to address issues if we do not know about them!