Pitt Artist Big Brush 4 Warm Gray Set Warm Grey big brush Wallet 272, 273, 274, 199 PITT Artist Pens are famous for combining a modern brush nib design with a tradition of India ink India ink offers artists odorless, permenent, waterproof, lightfast inks Includes one each of Warm Gray III, Warm Gray IV, Warm Gray V, and Black.