Hey there.
We'd be happy to hook you up with a replacement set of the ones you lost. If that interests you, give us a shout at 1-800-4VORTEX ext. 2 or shoot us an email at
[email protected].
To answer your question, in the Standard Butler Creek Caps, you'd need a size 18 for your eyepiece and a size 02 for your objective.
If you're looking for an even higher quality set of flip caps, we'd recommend our Defender Flip Caps for your setup. For your eyepiece you'd want the E-10 and for your objective you'd want the O-24.