Ultra-Fine Liner 12mm is THE holy grail of fine detailing brushes. Custom designed with precision in mind, this brush is perfect for artists who love getting up close and personal with their designs. Low density bristles with a longer length for more control. If you've ever bought a detailing brush and found yourself removing extra bristles to make it thin enough for you, this brush will not disappoint. It's honestly the thinnest we could possibly make it!  Synthetic bristles for easy upkeep and cleaning. Encased in an aluminum base for durability. Comes with matching pearl white cap.