For the serious watercolorist, illustrator, or detail artist, the da Vinci Series 11 Maestro is a top-tier brush. It’s handmade in Germany using the finest Kolinsky red sable hair from the Tobol River region. This hair is renowned for its exceptional spring, ability to hold a sharp point, and superb color-carrying capacity. The Series 11 has a slightly fuller belly than the Series 10, holding more paint or water for longer strokes. The ferrule is seamless gold-plated brass for durability, and the handle is sustainably sourced wood. This size 4 round is a versatile workhorse, perfect for fine details, controlled washes, and everything in between. It’s an investment in your art that, with proper care, will last for years. If you demand the best performance from your tools, this brush delivers. Series: 11 Maestro. Hair: Kolinsky Red Sable. Size: 4 (Round). Origin: Handmade in Germany.