If you want a compatible, alternative, or replacement pen for your Remarkable 2, I have tested them and here's what works. It will also save you money.
Stylus Alternatives for Onyx Boox eReaders and Other E-Note Devices
Original Remarkable 2 Marker & Marker Plus Stylus Tips - 9 Pack Black
Strategic Paper Replacement: Adventures in E-Ink, Part I (The Physical Writing Experience) — The Gentleman Stationer
reMarkable 2 Alternatives: Is there anything better than the rM2? – eWritable
Ultimate Guide to the reMarkable 2 (Part 1), by Taj Moore
reMarkable 2 review: better than iPad for notes, but nothing else
ReMarkable 2 Review: Great for Taking Notes, But Not Much Else
8 Amazing Remarkable Tablet For 2023
Damaged pen : r/RemarkableTablet
reMarkable 2: my subjective review
Intro to reMarkable; Motivation; Getting Started
reMarkable 2 compatible stylus options - Effective Exec - technology for business travelers, executives, and consultants
Comparison : The Best Stylus for ONYX BOOX or Remarkable 2 ?