Troy pro-style dumbbells are all pre-assembled to ensure that they meet the standards required in heavy used commercial applications. All pro-style dumbbells use solid steel bolt design and are bigger longer and stronger than the competition. These dumbbells consist of contoured handles that feature special deep set knurling for functional performance and top of the line Troy black premium plates. The rubber encased end caps include the Troy name and numbers for easy identification. Includes one pair 22.5 pound dumbbells. Photo is for reference only.