Pentel Energel 0.7mm Refill Metal Tip LR7BL77/BL57/BL37 Pack of 12
Energel/BL77/BL57/BL37. Energel Refills. Ideal for Energel Sterling Executive Pen and Lancelot executive pen collection. 0.7mm tip writes a 0.35mm line. smoother flowing and quicker drying than ordinary ink.