LOEW CORNELL-Studio Elements Brush Set. This package contains six paintbrushes designed for use with oils, acrylics, and tempera. Each one has white nylon bristles with an 8 inch long wood handle and a 1-3/8 inch long metal ferrule. Sizes include Flat 7, Flat 8, Flat 9, Flat 10, Flat 11, and Flat 12. Imported.