BG247 Ink Refill Ballpoint & Rollerball Set [ Black ] - Handcrafted Wooden Ballpoint & Gel Gift Pen Set - 2 Pack BG247 Wooden Pen Ink Refill Ballpoint & Rollerball Set - 2 Pack BLACK Ink, Medium 1mm Ballpoint & 0.5mm Rollerball for smooth writing Each refill brims with Quink proprietary ink formula promising optimal performance Count on consistent ink flow for smooth writing. Engineered to rotate a quarter turn each time it's used, this cartridge offers ballpoint durability.