Metal Barrel and Bead Chain Eyes  

Gun Metal Barrel eyes + Chain Eyes for fly tying 2.5mm- 4mm - Typically Clousers   

The 4mm (1/8") barrel eyes were designed for saltwater flies such as clousers, but can be used for streamers. The bead chain eyes 2.5mm (3/32") can be used for small (sparse) clousers as well as nymphs.