Green Stuff World: Kolinsky Sable Silver Series Paintbrush Set - 4pcGSW's range of Kolinsky brushes, SILVER SERIES. Expertly hand crafted with a high quality wooden handle and a tip of natural Kolinsky hair, fused together by a brass ferrule. For amateurs and experts alike, the SILVER SERIES range of Kolinsky brushes will provide a smooth and crisp painting experience. They work best with water based acrylic paints, especially with fine techniques such as washing, blending, layering, and degrading. In general, they