Zig-Kuretake Fudegokochi Brush Pen. Everyone knows Kuretake because of the famous No. 13 fountain brush pen that is so popular in the US. But did you know that Kuretake has dozens of other brush pens that are just as high quality and popular in Japan? JetPens is proud to bring to the US an extensive line of Kuretake brush pens. Each brush is unique and perfect for a different use. The quality and performance of these pens are quite impressive, and we think you will be very pleased. Fine point felt tipped brush pen perfect for calligraphy and lettering. This package contains one 5-3/8 inch Kuretake Fudegokochi Brush Pen. Conforms to ASTM D-4236. Imported.