This blue nitro fuel line is constructed from flexible and long-lasting silicone material, designed with a 3/32 inch inner diameter and 24 inch length to fit standard connectors and fittings for model engine fuel systems; it provides strong resistance to fuel corrosion, swelling, hardening and cracking, ensuring stable and consistent fuel delivery for nitro-powered RC cars, trucks, boats and aircraft, while its flexible structure allows for easy routing in tight spaces without kinking, forming a secure seal to prevent fuel leakage and serving as a practical and dependable replacement part for maintaining or upgrading your model equipment's fuel system.