DESIGN & FEATURES: The two 16" bars are made of a heavy gauge steel to prevent the bar from bowing Its environmentally-friendly powder coating adds resistance and durability Unlike other weight sets, these weights are designed like steering wheels with multiple grips making them easier to hold and giving the user expanded exercise options Quickly change out weight options on the bar with the Nylon quick-release collars The collars are hinged, improving their locking functionality while making them easy to take on and off INCLUDES: Two dumbbell bars (16 inches long & 1.25 pounds each) Four quick-release collars Four each of the 1.25 kg (2.75 lbs) & 2.5 kg (5.5 lbs) weights Total weight, including the bars, is approximately 35 pounds WARRANTY: This product is backed by a 90-day manufacturer's warranty period