Midgar Tungsten Dumbbel Eyes are great to use on almost any streamer pattern. Flies tied with natural materials that have good movements are great to use with dumbbel eyes as that gives a very attractive wiggling fly. Midgar Tungsten Dumbbels Eyes are sold in two sizes 3x5 mm and 4x6 mm. Colors are natural dark grey, gold and nickle. There are 20 dumbbel eyes per package.