No ID threads allowed but I'm gonna go ahead and do you the favor of pointing out that it bears similarity to San Pedro or Peruvian Torch cacti. However we will not be going into how many types of cactus there might be that are different, unrelated and inactive. I also have no special training or experience that would warrant drawing any conclusions from my suggestion. Just check some pics of San Pedro and Peruvian Torch cacti and compare the photos and your photo and you will be at exactly the same point I am at, probably.
Then proceed at your own volition. Sorry we can't help, but we have these rules for good reasons.
Please don't post other cactus ID threads or do other stuff that breaks our rules - have a good look at the rules, only takes a few minutes and might save you quite a few more - link below in my signature. Otherwise we're really gonna have to step in.
