Fuel Line - White (transparent) High quality thick silicone fuel line to enhance fuel flow 1.5-2mm inner diameter, 3mm outer diameter To fit 2 to 2.5mm fuel inlet (will stretch for a secure fit). 1 meter long Suitable for nitro glow fuel only. No petrol Note: Suitable for 1/16 model engines only. Larger fuel line required for scales larger than this (1/10 1/8 etc). Available in our store.