Jaymo – 6 Black + 6 Blue – Replacement for Cross Selectip 8523/8521 Rolling Ball Gel Pen Refill – Smooth Writing Ink and Medium .7mm Tip – 4.375 in / 111 mm Long – Measure Yours Before Ordering

Product Details: Jaymo brand refills are an economical alternative to higher priced refills. Please remove your refill and compare it to the pictures here. If they look the same, then measure it and make sure it is 4.375 in / 111mm long and .24 in / 6 mm in diameter. We use smooth writing German ink in all of our refills with a Medium .7mm rollerball tip for smooth writing. Refills are packaged in a reusable zip close bag. Replacement for Cross item #8523 Black and #8521 Blue. Also replaces Sheaffer “C” style refill #8523SH Black and #8521SH. Our store Feedback rating is 100% / 4.9 stars. Read some of our satisfied customer reviews: “THESE PEN REFILLS WRITE VERY SMOOTH AND ARE VERY AFFORDABLE.” “Fit perfectly and great ink replacement. Exactly as described and arrived timely.” “…a great price.” “I really like the way these write. Smooth and fluid.” “REPLACEMENT PERFECT!” “Why have I struggled to find pen refills before, when they are available from Cottage Mills at a reasonable price? Quick service.” “They fit perfectly and work like a charm.” “This is the second time I’ve ordered refills from Cottage Mills. Very fast delivery which I appreciate. I’ll keep ordering from them!” “I love these. I am making a hand written copy of the Bible. I use a lot of ink.” We welcome any questions you may have about our products and thank you for your interest. Jaymo refills are not manufactured, licensed or endorsed by the pen manufacturer referred to on this page. The trademarks of the pen manufacturer are identified only for the purpose of providing refill compatibility information.