SINGLE DUMBBELL: An essential piece of weight training equipment for every fitness fanatic. Use by itself, or pair with another weight for double the workout.20KG WEIGHT: Heavy weight, it's made to be used by those who have been training and building themselves up to this level. Not for beginners. Hexagon shaped ends prevents weight rolling away.STEEL CORE: Tough and strong, with knurl indents for grip - prevents weights slipping and causing injury.DIMENSIONS: 35.6Lcm. Handle: 12.8Lcm.NO ASSEMBLY REQUIRED.