Weight options ranging from 2.5KG to 50KG with 2.5KG increments. Hex Dumbbells are absolutely essential for home gym and commercial gym Deep Knurled Handle Feature deep knurled handle for maximum grip, which gives you a secure grip on the dumbbell at all weight, making Kingkong Rubber Hex dumbbells the best on the market. Premium Rubber Our hex dumbbells are manufactured using premium low odor rubber, which maintain the bounciness and long life for the dumbbells.