insert-type metal pen business gift pen custom logo lettering aluminum rod gel pen black gel ink pen office stationery

black gray (black core) blue (black core) gold (black core) silver (black core) hollow pen holder (matte black) hollow pen holder (gray) hollow pen holder (silver) hollow pen holder (pink) hollow pen holder (gold) hollow pen holder (light blue) matte black (black core) green (black core) bead pink (black core) sky blue (black core) red (black core)

0.5mm