Solid Metal Weight & Protective Covers: Featuring solid steel plates and protective polypropylene covers, this adjustable dumbbell is engineered for durability and fortified against water and wear. The inclusion of an aluminum barbell handle further enhances its strength and ensures longevity. Practical Weight Increments: Designed for diverse weight requirements for beginners and advanced players, this fast-adjust dumbbell weight covers a wide range with practical increments. It offers beginners manageable weight options to prevent sudden spikes in workload and allows advanced trainers to refine their form and technique during daily strength training sessions.