Features Rubber coated ends for durability and protection Ergonomically contoured chromed and knurled dumbbell grip Hexagonal design prevents dumbbell from rolling Hex Rubber Dumbbells (1-10kg) High-quality rubber hex dumbbell set from 1 to 10kg in 1kg 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.