The EZ LOAD HEX BAR V2 is a decent piece of equipment. I'd recommend the following: 1. Make sure after parts are machined in the shop to make sure they are cleaned up and free of any sharp edges or burs. 2. The knurled finish on the 3 sizes of hand grips doesn't need to be so grippy, I recommend a smooth knurled finish like on a barbell. 3. Make the bases that you attach to each end of your hand grips rotate easier as it's metal on metal contact with the washer constantly being grinded on when you rotate to a different size of handle. I recommend using some kind of bushing setup for easier rotation to do away with the metal on metal contact and adding some kind of snap or locking on to secure the handles in place.