The Hit Fitness Hex Dumbbells 12.5kg - 20kg (4 Set) offers a great value and is a brilliant addition to gym floor based training because the hexagonal shape of the dumbbells provides additional stability. What's included 1 x Hit Fitness Rubber Hex Dumbbells | 12.5kg 1 x Hit Fitness Rubber Hex Dumbbells | 15kg 1 x Hit Fitness Rubber Hex Dumbbells | 17.5kg 1 x Hit Fitness Rubber Hex Dumbbells | 20kg These Hex Dumbbells can be used to perform a large variety of gym workouts which utilise free weight movements such as single arm rows, seated shoulder press, and bench press. Furthermore, using dumbbells as opposed to barbells can add an extra level of difficulty to the exercises as the weight must be controlled to a higher degree during dumbbell movements which activates the body's stabilizing musculature. This in turn can result in increased hypertrophy and strength gains in the aforementioned musculature as a result of the increased development and strengthening of stability muscles. Specifications Rubber coated Silver chrome cast dumbbell handle with black rubber dumbbell head Noise reduction and anti-roll technology Handle diameter: Chrome plated dumbbell handle knurling Also available in weights 1kg-50kg Sold in pairs Suitable for home gym and commercial gym use