Made with the best materials and traditional techniques, this standard is widely used in school and workplace.It is very easy to use and can be used for a long time.The top frame has a triangular ruler, making it convenient for drawing lines.
Features
East Abacus - Soroban. Very popular.Current standard typebirch ball, ebony frame / 130.62.5 (inch) / 5.7 (oz) / Japan Import1 ball (having a value of five) and 4 balls (having a value of one)
Specification
Product Detail |
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Color | ???? |
Dimensions | 0.63x2.56x13.07 |
Weight | 0.36 |
Warning - California Proposition 65
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.