PURE KOLINSKY-TAJMYR SABLE ARTIST PAINTBRUSH - Considered the very best hair for watercolor painting, only the best male kolinsky hair is used for the Reserve series brushes providing watercolor artists with an exceptional point and liquid retention SIZE 1 WATERCOLOR PAINT BRUSH - Pointed round with bristles measuring a diameter of 1. 43mm and length of 10mm SHORT HANDLE POINTED ROUND SHAPE PAINTBRUSH - Designed for watercolor & acrylic painting TRIPLE CRIMP FERRULE - The patented triple crimp ferrule is unique to Escola brushes and helps ensure a lifetime of use HANDMADE IN SPAIN - Each watercolor paint brush is expertly crafted by artisan brush makers