The one I have is 1000 on one side and 3000 on the other. That gets my knives more than sharp enough and it's definitely my technique and lack of experience that prevents them getting any sharper, rather than the stone.
My dad showed me how to get a knife shave sharp using a coarse old stone and good technique. It’s a skill that’s worth learning, and better than expensive stones. Having said that I use a hard black skerper stone which is quite pricy but leaves a beautiful edge.
Cheers man - what grit?