【4 IN 1 Modes】:Multifunctional 4 in 1 upgrade dumbbell set, so you have a set of dumbbells, kettlebells, barbells, push-ups four exercise modes, free removal, easy installation. 【Ergonomic Design】:The barbell bar is covered with 0.8 in thickened PE foam, the total length of the foam is 15.4 in, the barbell bar is made of 0.2 in thickened steel tube, the…