Japan Japanese Standard Abacus Soroban Tomoe Four balls 23 figures
The standard which is made with the highest material and the traditional technology which are loved by many people, and is used regularly widely in the school or the office. You can use it very easy-to-use for a long time. Since the window head is a triangular ruler, it is convenient to draw a line. Digit number: Four balls, 23 figures Quality of the material: Ball = birch Size: Width 332x height 16x depth of 65 mm Weight   : 176g