These excellent quality short handle brushes for the watercolor painter have the best point and spring of all Princeton synthetics.The special blend of varying diameters of synthetic sable hair issues terrific spring. It looks just like genuine sable, and - Princeton Heritage Sable Brush - Flat Shader, Short Handle, Size 4SZ 4 - A Flat Shader has shorter fiber than a Bright Shader. The flat styling and longer hair make painting irregular details and shading easy. This brush also expands the possibilities in sign painting.