avenger .25 bolt probe oring size?

[MI Yeti]

Looking for size of the orings for an avenger .25 bolt probe. thanks

[TorqueMaster]

PDF I have says "Cal 6.35mm O ring φ3*φ1.5 hardness 90°JSR"

I take that to be 3mm ID, 1.5mm cross section, for an OD of 6mm.  Must stretch on a bit.

[MI Yeti]

PDF I have says "Cal 6.35mm O ring φ3*φ1.5 hardness 90°JSR"

I take that to be 3mm ID, 1.5mm cross section, for an OD of 6mm.  Must stretch on a bit.

Thank you