Heavy-Duty Construction - Crafted from 11-gauge steel, this rack boasts stability with its steel trays, supports, and welded gussets; Bolts are Grade 8 with a 7, 500 PSI shear strength and have a bright zinc finish; Holds PAIRS of dumbbells from 5lb to 75lb by 5lb increments. Home Gym - This is a great addition to your home garage gym to keep your dumbbells organized and save space. This dumbbell rack was built to ensure your dumbbells don't roll away or cause safety hazards. Stack your dumbbells and save valuable gym space for other exercises or equipment storage.