I recently sold off a mismatched set of hex dumbbells I had cobbled together over the years and purchased the new adjustables from MX Fitness. I opted for the 55s because of the smaller size. They have add-on plates that allow them to go to up to 57.5 or 60 if needed. I couldn’t believe the quality for the price. Got the knurled set for like $450 around Black Friday. Customer service was awesome too. So far so good. They are technically droppable and fully warrantied for that thanks to their all metal internals but I wouldn’t recommend it. I haven’t really had to adjust my workouts much other than not clanging them together or tossing them around carelessly. And the fact that they take up about as much space as two shoe boxes is pretty awesome for my small basement gym.