PILOT V5 REFILL BLISTER 1 REFILLS X3 BLU pilot begreen V5 hi-techpoint blue pen and 03 blue ink cartridge Cost-efficient; refillable up to 10 times with guaranteed smoothness. Environmental friendly: made of 71% recycled plastic material (excluding replaceable parts). Hi-Tecpoint rollerball & Liquid ink for excellent writing quality and extra bright colours Exclusive V-System regulator ensures consistent ink flow , One type of refill for both V5 and V7 pens & Stroke Width: Fine