Body Solid NB56 Nylon Dipping Belt Belt lets you add weight plates (sold separately) to increase resistance, build muscle mass, and see results faster For use during dips, chin-ups, lunges, and similar exercises Beveled edges won't dig, bite, or bruise, even under heavy loads Recommended for use up to 50 pounds; use Body-Solid Leather Dipping Belt for heavier loads Includes limited lifetime manufacturer's warranty