For five dollars you get a mechanical tally counter shipped to your door via Prime - can't go wrong with that. It's made of a very thin "chromy" metal plating, that I'd say is rust-resistant but not rust-free, and the sheen and shine wear off very quickly.I'm using this to count laps at the pool and if it were made of regular steel, it'd be completely rusted by now. Instead, anywhere that has the slightest scratch rusts, but it doesn't spread, at least. It's very light, and feels flimsy, but it works well and the tactile feedback is great: there's never any doubt as to whether or not a click has registered, which is excellent when your goggles have fogged up and you're in a hurry to go on to the next lap.I paid $5 for this with shipping (Prime FTW), and at that price, it was a bargain. It's not an amazing product, regardless if you're using this for the pool, for the store, or for the track, I'd say get it if the price is right, otherwise give it a pass and get something sturdier/better-made, or one of them new-fangled (and usually water-resistant) plastic electronic counters.
Rating: [4 of 5 Stars!]