Ensure your parker ballpoint pen always writes smoothly with this pack of three quinkflow medium ink refills. Designed for exceptional performance, each refill delivers consistently fluid ink, capturing your thoughts with brilliant clarity.these cartridges are engineered for reliability, making it simple to replace your existing refills or switch ink colours. Certified to iso 12757.2 standards, they guarantee long term document storage suitability, providing peace of mind for important records. Experience the effortless glide and dependable quality of parker quinkflow ink for all your writing needs.features and benefitspack of 3 medium ink refillsquinkflow ink for consistently smooth writingiso 12757.2 certified for document securitycompatible with all refillable parker ballpoint pensreliable performance for everyday useeffortless ink flowspecificationsquantity 3ink type quinkflowtip size mediumcertification iso 12757.2dimensions 165mm x 55mm x 7mmweight 15g