The York 20kg (44lbs) black cast iron dumbbell set is a perfect choice for those looking for multiple weight workout options. It allows for targeting chest, bicep, arm, triceps and back muscles. This versatile dumbbell set includes four 0.5kg (1.1lbs) discs, four 1.25kg (2.75lbs) discs, four 2.5kg (5.5lbs) discs, four spinlock collars and two 14" chrome spinlock bars.