# Pen Holder for M5 # Refills for M5 For M5 System Notebook Pen Holder Himeji Leather (Genuine Nubuck Leather) ⚪ Wine Red Double holder that accommodates pen thickness. Size W=62mm (excluding leather holder) H=100mm Pens are for photography purposes. Thick pen = Uni-ball One P Thin pen = Pilot Birdy