These 10" brushes are ready to use on your favorite shrimp and streamer patterns. Originally developed to use on shrimp patterns to imitate the grass shrimp in Long Island Sound and then a few years later Enrico Puglisi incorporated it into the brushes for an easier and faster application. Today the brush is widely used not only to create shrimp patterns but also for many other fly patterns. The colors offered will match any shrimp's patterns you intend to tie with it. 6 Brush per pack.