Bells of Steel Loadable Dumbbells feature an aesthetic, rust-resistant finish. The 28mm handle gives you the feel you're used to when using Olympic bars and the brass bushings allow for a smooth rotation.Full dumbbell sets have their place, but they can be tough to fit into a home gym. Even with our Residential Dumbbell Rack or Commercial Dumbbell Rack, you'll be using up the most valuable resource in your gym - floor space.Au contraire, two Loadable Dumbbells can easily be stowed away in the corner without disturbing the natural flow of your gym. Although a full set of Hex Dumbbells or Commercial Dumbbells can be a dream come true, the costs can quickly add up and that's before buying a single dumbbell stand! By investing in just two Loadable Dumbbells, you'll save thousands of dollars on gym equipment.Trying to decide if you should get Standard loadable dumbbells or our Industrial version? Then check out Standard vs Industrial Loadable Dumbbells: What's the Difference?Please note that only 2" (Olympic) weight plates fit on the sleeves of the Loadable Dumbbell.Version 2.0 Upgrades- Knurling changed from Light/Moderate to Moderate