Purdy 144403625 Syntox Series Flat Trim Paint Brush, 2-1/2 inch N/A Imported Syntox has all the benefits of Ox hairbrushes without any of the negatives It is 20% softer with the durability of DuPont's SRT synthetic filaments for a superior finish Totally shed resistant and will last at least 5 times longer than Ox hair brushes Can be used in water or solvent based clear finishes Alderwood handle for balance and comfort