Pilot BT8 Ballpoint Pen Refill for Birdie Twin / Duo Ballpoint refill for Pilot Birdie Twin (aka Birdie Duo) pen and pencil combination pens. Available with Black ink only. FREE Pilot V-System Giftpack of 6 liquid ink pens with any £30 purchase of Pilot products, including these. Please click here for more information and to add it to your basket - it won't be added automatically! Please click here for a list of qualifying products.
