Yup that’s the right size. Honestly, I re-use them or use them 3x before tossing. Never had an issue. I know not [emoji817] safe but clean them before and after each pin, in between uses.
I am a part time Proctologist and full time Gynecologist.
Printable View
I buy them from here less then $2 a piece and I'll reuse them a couple of times before tossing them
Icu Medical - CV100 - Clave Connector Multidose Vial Adapter | WholeSurgical.com