RUBX products are known to be unique in their design. Hex dumbbells do not roll even when placed on an uneven floor
Chrome plated handle is ergonomically designed for a firm but comfortable feel in any grip style. The knurled part in middle helps to fit better in the user’s palm.
The Heavy-Duty Rubber encased heads minimize noise and limit wear and tear (to both the bells and your flooring) They are easy and safe to store.
You may get this dumbbell if you want value for money, and planning to buy from amazon. Otherwise, i you want dumbbells for commercial gym, look at bullrock DB's.