1/8 NPTF Self Seal and is compatible with most standard threaded paintball markers 1/8" NPT ports. These are Stainless Steel.
NOTE:
- This may or may not work in your application. The Self Seal is a one to maybe two-time use seal. The Self Seal is replaceable with a 008-70d urethane O-ring
- This is NOT refundable if used