Kolinsky Sable Black Round Brush – nails, polish, acrylic, art, manicure Acrylic Nail Brushes are made from the highest quality of Kolinsky Sable Hair. For nail art, 3-D designs, patterns, etc. Professionals, salons or home use. Shaping of the brush is available on request, just message us about your requirements or for any additional information. Item’s are non-refundable after use. Available sizes: 4 ,5 , 6