Miracle RC Twin Fuel Dot For Fuel Pipe and Smoke Pipe - BlackMiracle RC Twin Fuel Dot For Fuel Pipe and Smoke Pipe Black Miracle RC Twin Fuel Dot For Fuel Pipe and Smoke Pipe Black For Use With Petrol Engines Net Weight: 20g Fuel Dot Diameter: 4mm (suitable for D4mm pipe) The dual fuel dot is designed for connecting the fuel tubing and smoke pipe, whats more, the position of the twin fuel dot can be exchanged. Anodized Black