4.5 Replaceable Ballpoint Pen Refills, 30 Pack Smooth Writing Ballpoint Refills for Cross Style Pen (Black and Blue Ink Refills)

4.5" Replaceable Ballpoint Pen Refills, 30 Pack Smooth Writing Cross Ink Refills for Cross Style Pen ( Black and Blue Ink Refills Ballpoint pen refills: Come with 2 different colors ink refill, blue ink and black ink, total 30pcs refills, 15pcs of each color. Good quality ink provide quick and smooth writing, not bleed through. Applications: The replacement ballpoint pen refills fit for most cross pen, suitable on school, office and home. Specifications: Color: blue, black Material: metal body Medium Point: 1.0mm Length: 4.5 inch/11.6cm Notice: Please unscrew your refill and check the dimension before purchasing, make sure the length is 4.5 inch/11.6cm. Package Includes: 15 x Blue ballpoint pen refills 15 x Black ballpoint pen refills