Ultra Mini® 4 piece Ultimate Round set Designer Rounds are the Ultimate Round brush. Maximum color carrying capacity because of the long length out and the thickness of the shank. Line work is done with ease using these thoughtfully designed rounds. Unsurpassed in response from the brush to the surface with consistent flow. This set includes one each: 2431S-2 Designer Round 2431S-4 Designer Round 2431S-6 Designer Round 2431S-8 Designer Round