2x12.5KG Rubber Hex Dumbbell Portable Hand Weights Dumbbell Home GymStrengthen your muscles in the most effective and easiest ways go for this dumbbell set from HOMCOM. The 25kg weight is suitable for those accustomed to the heaviness only and can be used almost anywhere in the home and outdoors thanks to the small size. The frame is steel for a strong core and features knurl indents for grip. Both ends come in a weighted, hexagonal shape, so it doesn't roll away. The weight number is carved into the protective rubber