Uses: Personal dumbbells are used for exercise and strength training, such as arm, chest, back, core and leg training. Material; Made of high quality solid cast iron and rubber packaging, this dumbbell is comfortable to hold and rugged. Features: The hexagonal end prevents rolling away to ensure safety during use, and the textured surface of the non-slip grip ensures comfortable use. Application: dumbbell training can be done at home or in the gym to meet your different needs. Date First Available March 23, 2024