Solid stainless steel, not chrome.
And I think I want it anodized.
And: oops, wrong pic, meant this:
...and technically, I haven't bought it yet.
And no, it's not a rectal thermometer, it's for my tea.
And yes, I had to look up what a "tamper" is, and yes, I did giggle when I looked at this gallery (of buttplugs).