30 Pcs Ballpoint Pen Refill, Replaceable Metal Refills Compatible with Parker, Blue and Black Medium Point Ballpen Refill 9.9cm Smooth Writing, Parker Pens

【Ballpoint pen refills】This metal refill is suitable for refilling any type of Parker Ballpoint Pen. (note: please check your refill style to ensure this refill fits your ballpoint pen before ordering). 【Ballpoint pen refill size】The total length of the refill is about 3.86 inches / 9.8 cm, the diameter of the ink reservoir is about 0.24 inches / 0.6 cm, and the diameter of the writing bead is 1 mm. 【Save cost】This replacement refills let your pen can be repeated to use, extend the life of your favorite pen; It's great additions for your ballpoint pen 【Smooth Writing】The body of ballpen refill is made of metal material, lightweight. Smooth writing with a consistent ink flow, ink quickly dries won't bleed through. It’s also a friendly pen refill for left handed people. 【Quantity】Totally 30 pieces, a large amount of pen refills, you can share with classmates and friends