This universal Flatbush is is best used for varnish, to stain large areas such as wooden floors and/or for large flat surfaces on furniture or painting boards for signmaking.
The small size is 1" wide, the medium is 1.5" wide and the large is 2" wide.
TIP: All brushes, no matter the price and quality, lose bristles when new. As soon as you unwrap your new brush, hold it firmly and pull on the bristles a few times to coax any loose hairs out. Then use Use Brush Soap to clean your brush well. Let dry and paint away!