Our most innovative adjustable dumbbell is now available at FITNESS CASA. Featuring intelligent and smooth twist, intervals from 5 – 80lbs increments of 5lbs, modern yet efficient design along with functionality. FITNESS CASA OCTABELL is modernizing workouts Canada-wide with its finest design and extreme durability. Thanks to the innovative locking design that secures the plates for ergonomic lifting. Just simply twist and lift to start working out.