Description : This beads are used for various fly patterns , especially for nymphs . Brass dumbbell beads are the quickest way to add action and weight to any pattern , which come in a full range of sizes to meet your tying needs . Lighter then eyes , heavier then bead chain . The dumbbell shape allows an easy point to cross wrap to the hook . More environmentally friendly then eyes . These brass eyes produce a great shine that will assist in getting a fishes attention during the day . Brass dumbbells combined with popular brule hard epoxy eyes added realism and flash to streamers . Specification : Material : Brass 4 . 8mm : Length : 0 . 90cm / 0 . 35inch ; Diameter : 0 . 48cm / 0 . 19inch ; Package Includes : 25 Pieces Fly Tying Beads