Arches Petit Gris Pur Squirrel Watercolor Brushes- Cats TongueStringent manufacturing standards have been adhered to in producing these quality brushes. Best quality extra-fine pure grey squirrel is chosen for its exceptional fineness and elasticity. The handle is an extension of the hand - it is ergonomically designed and made of solid matte varnished blond oak stained to a deep finish a timeless wood with a soft and sensual feel. The ferrule is also ergonomically designed and is made with matte nickel; the crimping is discreet and designed to blend perfectly with the handle. Cats Tongue brushes are similar to filberts; only with a pointed tip. This allows them to be extremely versatile. Use them for both washes and details! The bottom tip of the handle is angled with a sgraffito tip for techniques involving scratching and scraping into the paper. (Please note that the photo illustrates all sizes that are available but prices listed are for one brush and not the entire set.)