Enjoy the flexibility of our universal pen refills, which can be trimmed to fit different pen lengths. Made from plastic, these refills provide a smooth and consistent writing experience. Ideal for daily use, they are for writing, studying, and working. Compatible with most retractable ballpoint pens, these refills are great for sharing with others, ensuring everyone has a reliable writing tool. Features -Color:Black -Material:Plastic -Size:10.60X0.30X0.30cm/4.17X0.12X0.12in -Universal compatibility: designed to fit most retractable ballpoint pens, these refills offer a versatile and reliable writing solution -DIY length: easily adjust the length of the refill to fit various pen barrels, providing a fit for your specific pen -Smooth writing: experience smooth and consistent ink flow with refills that make writing effortless and enjoyable -Quick drying ink: the quick drying ink formula prevents smudging, ensuring your writing remains clean and legible - stainless steel tip: featuring a robust stainless steel tip, these refills are built for performance and reliability Package list: ballpoint pen refills