Pentel energel 0.5 LRN5-C Blue Refill

Medium Needle Tip refill fits any refillable EnerGel pen
High-performance ink technology combines the best qualities of liquid and gel ink for a super-smooth writing experience
Produces precise, medium lines with a 0.7mm NEEDLE tip
Quick-drying ink is ideal for lefties
No smears, no smudges and no globs
1 refill per pack