What type of cleat is this? Should I save it or get new cleats? Can someone tell me what kind of cleat this is? circa 1993. I believe I got it  Someone told me that I can just get new shoes (the shoes are completely shot) and reuse the cleat.  Is that a good idea or should I get new cleats?  I think it's the shoes that are really expensive.  I am a very casual rider (go with kids) but I'm now used to the clip in style.



Here's a photo of the actual pedal.  Naturally, when I get new shoes (and cleats?) I want to make sure they fit pedal.
It's a Shimano SPD cleat. There are a few different models, but they are all cross compatible. You can reuse the old ones if you can unscrew it, but new pair should be under 20€, too.

EDIT: Looks like this is an old Shimano cleat, like this one: http://www.fixedgeargallery.com/reviews/dzr/ovis/10.jpg. Modern ones and most copies have a sharp angled "shoulder" on the middle section.