The Slater Original MonsterBell was designed as a Heavy-Duty Bell to help train for the Thomas Inch Replica Dumbbell. It grew in size to become a fantastic dumbbell for the overhead dumbbell press, and a number of other various exercises. The weight of the bell can be customized by adding shot, BBs, coins, sand, or a combination of these to achieve the desired weight. The Slater MonsterBell is available in different sizes, with loadable weight capacities ranging from 75 LB to over 250 LBs.