Semperfli Synthetic Cashmere Monkey mimics natural cashmere which has 4 to 20 cm (1.5 to 8 inches) length fibres. Semperfli Synthetic Cashmere Monkey fibres come hanked with 40 cm (16") per hank. A very fine fibre this is ideal for salmon flies like Sunray Shadows or where long fibres are required. Of course these fibres can be cut down and used in small length for the smallest dry flies also and is a very versatile fly tying fibre. Use also for saltwater patterns.