![Standard Soroban (Abacus) / 23 Digits [43300] image-1](https://d12w0o72bw9xzs.cloudfront.net/1nxv3i27pbtaqf8gp7u81iqz7aqn)
Description
- East Abacus - Soroban. Very popular.
- Current standard type
- birch ball, ebony frame / 130.62.5 (inch) / 5.7 (oz) / Japan Import
- 1 ball (having a value of five) and 4 balls (having a value of one)
Made with the best materials and traditional techniques, this standard is widely used in school and workplace.\nIt is very easy to use and can be used for a long time.\nThe top frame has a triangular ruler, making it convenient for drawing lines.