113mm (4.42) x 6mm (0.24), 0.5 Tip, Compatible Rollerball Pen Refills Compatible with Mont Blanc PN: 105159/107878/MNB107878 M710 H-12 M401/M506...

1.CaoDuRen 113mm (4.42) x 6mm (0.24), 0.5 Tip, Compatible Rollerball Pen Refills Compatible with Mont Blanc, German Ink, Compatible with 105159/107878/MNB107878 M710 H-12 M401/M506 P163 (Blue 6PCS + Black 6PCS) 2. Quality: Refill made of metal material, economical and durable. High-quality writing ink, medium-sized ballpoint pen nib, which can flow freely, writing more smoothly and lasting longer. Can be stored for 1 to 2 years 3. Please note: Before purchasing, Please measure the length of your refill first. Make sure that our refill fits your pen.This is our refill size ,length 4.4 inch / 113 mm. 4.Product use: writing, business gifts, advertising and promotional gifts, etc. 5.If you are not satisfied with our refill, please contact us immediately and we will modify it until you are satisfied.