10" Extra-Soft Deck Brush - Blue Nylon BristlesShurhold's series of 10" (25 cm) deck brushes that easily and positively lock into any Shurhold handle. The softest deck brush available. This brush is designed to be used on isinglass, plexiglas, and other delicate surfaces. Extra Soft - blue nylon bristles made especially for delicate surfacesMADE IN USA.