A 45 lb., 12 plate, Rubber-Encased, Cast-Iron, Adjustable Dumbbell Set. This set includes the following: (4) 5 lb plates (RUB-5), (4) 2.5 lb plates (RUB-2.5), (4) 1.25 lb plates (RUB-1.25), (2) 14" solid steel, chrome-plated, dumbbell handles (SDH-O), and (2) pairs of Compression-Ring Collars, Chrome Plated Collars (CL-1/4). This high-quality, rubber-encased cast-iron dumbbell set is perfect for the home. Quiet and will not scratch floors or dent equipment. PROTECT YOUR FLOORS!