Brass O-Ring Pick Tool (No Scratch) [P/N: OPICK-BR] Solid, Brass Construction Won't Scratch Delicate Metal Parts Easily remove all o-rings for airguns (paintball), scuba, plumbing, automotive, anything with o-rings Also available in a 10 pack for a better value: www.amazon.com/dp/B06XCPVRC7 Captain O-Ring Part No: OPICK-BR