SPORTO Fitness 21 MM Chrome Plated Special Rod Weight Lifting Bar with Lock Collar (Silver) DURABLE & STRONG STEEL BARS - The dumbbell set uses steel material as bars for a strong and durable use. It has great bearing capacity and will not get damaged easily. COMPLETE ARM-MUSCLE WORKOUT – Constructed to directly boost your biceps, triceps, and forearm muscles, this weight curl bar set enhances arm strength, power, and control IDEAL FOR HOME GYM - It is a perfect choice for home exercise, saving the time and energy for you to go to a gym. FULL BODY WORKOUT: Perform a total body workout at the convenience of your own home. Workouts such as squats, deadlifts, rows, bench presses, cleans, etc will provide fast and effective results! DURABLE & STRONG STEEL BARS - The dumbbell set uses steel material as bars for a strong and durable use. It has great bearing capacity and will not get damaged easily.