I just weighed it, it's 172 grams (just over 6 ounces, with the plastic 'cover' on the blade). I bought it at Harbor Freight Tools, I think it was called. Pic below next to tent stake for comparison. Of course, a concerted ULer could lighten it up by putting a different handle on it. They make a smaller one as well.
It works great, I've used it to cut through 4"-5" pieces of tree (already down, of course) for fires. Goes through it pretty quickly.