tool

Hello, I've scoured the internet and various forums to hopefully avoid having to ask in forums for an answer to this but here we are! I can't figure out how to get this bottom bracket off, I'm unfamiliar with the type and the tool I bought for it only penetrates a little bit but I can't get it...

Hey there, I could not find a thread similar to this one as it is rather specific, so I decided to post a new one. I'm stripping apart my vintage road bike and I am stuck at the bottom bracket. I've attached a picture to show what it looks like exactly, hoping that someone will tell me what tool...