TubeNet

The mark-up is pretty bad about 600% or so (with ebay fees included)... But, for a lot of people, (Who don't have access to a good repair man with jupiter parts) I doubt that you could get them for much cheaper from a local repair tech. (especially since you'd have to pay the shipping....

That's who this guy caters to, the people who have no good dealers close to where they live...

C'mon Joe.... would you fool with a $5 profit to sell a set of those things? I often just send stuff that small out for free just to not have to fool with the paperwork!