This clear pencil board is designed specifically for the Hobonichi Techo HON. It comes with a pen hook so you can carry a pen along with your techo. It features a 5 mm graph pattern printed all over. Since it has 1 mm markings on the long edge, and both 0.5 mm and 1/16 inch markings on the short edge, it can also be used as a ruler. Made for the A6 size.
