1. Pen barrel material: wood
2. Refill material: clay, graphite
3. Specification: 12 pcs/box
4. The pen holder can correct the grip posture, suitable for elementary school students
5. The refill is made of graphite and clay, free of lead and safe to use
6. 2mm thick refill, not easy to break
7. Comes with an eraser, convenient and quick
8. HB is moderately hard and soft, suitable for daily writing
9. The length of a single pen: about 18.9 cm
10. The weight of a single pen: about 6 grams
11. Single box size: 19x4.7x17 cm
12. Single box weight: about 78 grams
