The Rigger is the brush you need to paint fine lines! Use it to paint anything from fence posts to twigs to grasses, it's also great for creating texture on mountains & adding shadows to beaches & under trees. made from a combination of 20% Kolinsky Sable & 80% synthetic, it always comes back to shape & holds lots of paint. Use it with watercolours, oils & acrylics. Keith uses all brushes within his brush range when painting with acrylic, oil & even watercolour. Medium: 1 Medium: 2 Medium: 15