Series 101: round brush with short wooden handle, varnished in brown and aluminum ferrule. Composition: 70% natural goat hair + 30% synthetic. Suitable for watercolor, aqueous techniques and tempera. Numbers 4, 10 and 16. Series 524: flat brush with short wooden handle, varnished in natural color and aluminum ferrule. Composition: natural Chungking bristle hair. Suitable for glue, varnishes and tempera. Number 8.