Pen

Three piece pen that includes the tip, body, and cap and uses a cross replaceable refill.
Uses Cross refill 8910-1

https://www.amazon.com/Cross-Rolling-Refill-Black-8910-1/dp/B004Q4K1FU/ref=mp_s_a_1_1?ie=UTF8&qid=1547961155&sr=8-1&pi=AC_SX236_SY340_QL65&keywords=cross+8910-1+refill&dpPl=1&dpID=41934iqJlYL&ref=plSrch