Testors #TES8734. This is a Testors 5/16" Synthetic Round Hobby Artist Paint Brush. FEATURES: Solid wood handle Seamless metal ferrule crimped at brush root to retain brush shape. Hand-formed white bristles glued into ferrule _ This is a very fine tipped brush used for fine detailing, fine control figure painting (faces, insignia, fine details, etc.), and fine blending effects.