A ruler that allows you to concentrate on studying with a window that allows you to read text smoothly. 2-way that can be used differently on the back and front. Convenient to carry, 16cm, Compatible with characters up to 7mm in width (reading textbooks, reference books, novels, slips, etc.)
- 16 cm
- Size :H160×W25×D1.5mm / Weight 6.9g
- Made in Japan