Wide application: good for school, office, home, students and office workers useQuantity: 24 pieces ballpoint pen refills, enough quantity for you to use in your daily writingFeatures: the black and blue ink ball point pen refills provide you a smooth and quick writing, and will not leave dry spotsHE0323: Features: the black ink ball point pen refills provide you a smooth and quick writing, and will not leave dry spotsMaterial: these stylus pen refills' face are made of metal, durable and nice for youMeasure: each crystal pen refill is approx. 7 cm/ 2.75 inches in length and 0.7 mm core; Note: Please check the size before purchasing 24 Pieces ballpoint pen refills for diamond crystal stylus pens, 2.75 inches Features: The pen refills' face are made of metal, durable for use; With black and blue ink and 0.7 mm core, which can provide you a smooth and quick writing, and will not leave dry spots. Wide application: Good for school, office, home, students and office workers use. Specifications: Length: 7 cm/ 2.75 inch Ink color: black and blue Quantity: 24 pieces Package includes: 12 x Black ink ballpoint pen refills 12 x Blue ink ballpoint pen refills Notes: Do not put them in the mouth. Please check the size before purchasing. This is not an original part, the mention of the brand Swarovski is only for showing the compatibility of the pen refills.