Eumer's L-Tube Coneheads can be used with Eumer's Large Tube Fly Tube. With conehead you can add more weight to your fly easily. It gives also nice and attractive look for the fly. X-Large and XX-Large models are good choice for pike flies and bigger salmon flies.
Below you can see more detailed specifications of the product. There might be some variance in inner and outer diameter.
Coneheads are made of brass. 10 coneheads per package.