Click here to get up 15 OFF: br TKO Two Tier Horizontal Dumbbell Rackbr br Keep your workout area organized, clean and safe with the TKO 6-Series 2-Tier Horizontal Dumbbell Rack. This 2-tier rack holds one (1) pair each of 5-45 lb. hex dumbbells! This powerful yet compact unit features heavy gauge steel with all-4-side welded construction and is deburred inside and out.