Dumbbell RackREP Dumbbell Rack Our 3 tier dumbbell rack is heavy duty and ideal for use with our rubber hex dumbbells. The shelves are made of 11 gauge steel with a 1 inch lip, securing all of your dumbbells and allowing quick and easy access. The black powder coated surface is durable and attractive, while the thick zinc coated hardware makes it easy to assemble. One great feature of a 3 tier dumbbell rack, is that takes up less floor space while giving you the