This versatile dumbbell set is perfect for targeting chest, biceps, arms, triceps and back muscles. It includes eight 5.5 lb weight plates, four 2.8 lb weight plates and two 5.5 lb dumbbell bars with screw collars and has a total weight of about 66.1 lb. This set allows the users to variably select the weights they want to lift for different exercises. The structure of the handles provides maximum grip so the dumbbell bar lies firmly in your hands. This dumbbell has star-shaped screw collars in order to keep the weights in place. This set can be easily combined with our weight benches or other dumbbell sets.Color: BlackWith a plastic coverDumbbell bar dimensions: 1" x 17.7" (Diameter x L)Each dumbbell bar weight (with screw collars): 5.5 lbTotal weight: 66.1 lbFilled with sandStar-shaped screw collarsDelivery includes:8 x Weight plate (5.5 lb)4 x Weight plate (2.8 lb)2 x Dumbbell bar4 x Screw collar