LOEW CORNELL-Studio Elements Brush Set. This package contains six paintbrushes designed for use with acrylics, watercolors, and gouache. Each one has golden taklon bristles with a 5-1/2 inch long wood handle and a 1-1/4 inch long metal ferrule. Sizes include Round 10/1, Round 5/0, Round 3/0, Round 0, Round 1, and Round 3. Imported.