Dumbbells Set Of 2: 55 pounds totally for two dumbbells weights come in one package, with four 2.75-pound plates, eight 5.5-pound plates. 66 pounds totally for two dumbbells weights come in one package, 12 pieces 5.5-pound plates. Four pcs of screw collars. Two black main rods (16.1 inches long) and one connecting rod (3.18 inches long).Material: These adjustable dumbbells weight plates are made of Iron sand mixture and covered with PE material; Hollow steel for the main rod. Compact size, easy to adjust weights by assembling or removing plates. Adjustable weights for women at homeMulti-Purpose Design: Free weights and secure screw collars let you adjust the weight and try different combinations. Ideal for a total body workout, this dumbbell weight set is perfect for both upper and lower body-building exercises.Non-slip Grip & Protective Plastic Cover: This barbell weight for home and gym features with comfortable PVC textured grip to prevent slipping when exercising, which can ensure your safety. Weight plates are covered with plastic to avoid damage to the floor, suitable for home or office use.Immediate Reply: If there are any problems with the product, please contact us directly, we will reply and offer a solution.