Features Rubber coated ends for durability and protection Ergonomically contoured chromed and knurled dumbbell grip Hexagonal design prevents the dumbbell from rolling Hex Rubber Dumbbells (2.5-25KG) High quality rubber hex dumbbell set from 2.5 to 25kg in 2.5kg increments (set of 10 pairs). Perfect for use at home or in commercial gyms. The anti roll design prevents the dumbbells from rolling away from you when you put them down. Popular for use in cross-fit, circuit training and PT studios.