No more wasted space in your gym. This freestanding Four-Tier Vertical Dumbbell Rack holds 12 pair of Dumbbells in a 21 x 25 space saving area. Strong; reliable and built tough for use in gyms and schools where durability is a must. For Hex Cast Iron D/bells (CNDBPH) or Ergo Chrome D/bells (CNDBEC) only. Dumbbells sold separately. Muscle-up on this space saving rack.