- Made of polished brass.
- Durable and long-lasting material.
- Using Chinese unit of measurement for length, tsun / cun (寸) with Hong Kong standard
- Overall length: 220mm
- Maximum measurement: 6 tsun
- Conversion of unit: 1 tsun to 3.71cm
- Suitable for traditional Chinese use.
- Widely use in jewellery industry for length measurement.