Cello LP 3000 Ball Pen Refill- Black (10 Pcs)Cello LP 3000 Ball Pen Refill High quality ball pen refill designed for smooth, consistent, and effortless writing Long lasting ink flow with quick drying formula to prevent smudging Precision tip ensures neat, sharp, and clean writing every time Compatible with Cello LP 3000 Ball Pens and other similar models Ideal for daily use at home, school, office, or professional settings Specifications: Refill Type: Ball Pen Refill Tip Size: 0. 7mm (Fine