The de Fools Gold Streamer is a fly that has caught every species of trout and bass, including striped bass. They also have caught walleye, steelhead, salmon, crappie and trophy gar. The materials they are made of hold up after a lot of abuse! They are hand tied in the USA by Americans! The Highly reflective, durable and breathable materials makes them a one of a kind streamer! Each streamer has its own individual color scheme for different water quality. It weights approximately one-tenth of an ounce. It is a hook size 6. You can add split shot a few inches above the fly to fish it at different depths.