The hexagonal shape of the dumbbell heads prevent the dumbbells from rolling away when setting them down to perform other exercises.
Portzon Weights Dumbbells 10 Colors Options Compatible with Set of 2 Neoprene Dumbbells Set,1-15 LB, Anti-Slip, Anti-roll, Hex Shape
Weights Orange Dumbbells with Set of 2 Neoprene Dumbbells Set, 3 LB, Anti-Sli...
