Avoid the diamond plate ones if you can, but it’s most likely not an absolute deal-breaker. If you already have these, it’s probably not worth going out and getting a new set.
However, when a barbell is on the floor, it can be difficult to keep it lined up. It’ll roll slightly off the part pointing up and cause you to lift at a slight angle. You’ll need to shift your feet slightly so that you’re able to use proper mechanics.
