Three functions in this thinness.
Soft ink needle tip Φ0.7 black and red and Φ0.5 sharp pencil.
This ultra-thin multi-functional pen with a shaft diameter of only 8.4 Φ is perfect for business use and fits in a diary ring.
The body made of brass has a moderate weight and stabilizes the writing experience.
The fine knurling grip prevents slipping.