type of solid steel and polyurethane coated dumbbell stands alone at the top of
the class in commercial grade dumbbells being manufactured today. The
structural integrity is as solid as they come. They are as durable as you can
find and made to take abuse and last year after year in the most rigid
commercial settings. This 12 side head helps resist rolling off benches or
across the gym floor. This type of dumbbell is the most maintenance free
dumbbell you will find.