gp380 gel pen black matte business signature pen student exam stationery wholesale carbon pen 0.5mm syringe

gp380 black [single]] gp380 red [single]] gp380 blue [single]] gp380 black [refill single]] gp380 red [refill single]] gp380 blue [refill single]] gp380 black [3 pens +20 refill]] gp380 red [3 pens +20 refill]] gp380 blue [3 pens +20 refill]] gp380 black [12 boxed]]

0.5mm bullet 0.5mm syringe head