the Pilot BRFN-30F is a metal bodies refill contains Pilot's :pw -viscosity Acro hybrid ink. this ink allow for smooth pen tip rotation and a skip
Pilot BRFN-10M Blue Medium Ballpoint Refill — Pulp Addiction
Pilot BRFN-30 Ballpoint Pen Refill - Various Colours
Pilot BRFN-30M Acro Ink Ballpoint Pen Refill - 1.0 mm - Black
Pilot BRFN-30M-B Acro Ballpoint Pen Refill for
Refills - Product Categories - Collections
PILOT ACROBALL REFILL BLUE - FINE 0.7
Pilot BRFN-30F-B Acro Ballpoint Pen Refill for
Pilot BRFN-30F Fine Ballpoint Pen Refill
Pilot BRFN-30M-B Acro Ballpoint Pen Refill for
Hybrid Ballpoint Premium Refill (BRFN-30)
Pilot BRFN-30M-B Acro Ballpoint Pen Refill for
Pilot Refills – Pens Etc