1. Special alloy tip, no pencil sharpening, safer and time-saving
2. Write without dirty hands, no pencil dust
3. Long service life, a pen can write about 500,000 characters, saving costs
4. The refill can be replaced, and each pencil comes with a replaceable tip
5. Easy to wipe, no residue
6. Alloy pen body, light texture, comfortable grip, rich colors
7. Specifications: HB blackness, 0.7mm thickness
8. Size: about 15.6cm