Trekell Onyx Synthetic Squirrel Short Handle Artist Brush - Complete Brush Set - Quill MopTrekell Onyx Synthetic Squirrel Short Handle Artist Brush Complete Brush Set Quill Mop Our Onyx Synthetic Squirrel Short Handle Brush is the perfect choice for artists who prefer synthetic brushes over animal hair. It works exceptionally well with acrylic, watercolor, and oil paint. The quill mop is perfect for watercolors and laying large washes. The synthetic squirrel hair can retain a lot of liquid. Complete Brush Set: #10 0 #5 0 #0 #1 #2