This massive rack will hold all your dumbbells and still have room for more! Twice the size of our DF513 rack and built tough to stand up to a lifetime of abuse. Constructed of heavy gauge steel tubing with a tough powdercoat finish to stand up to years of use. The crossmembers are made of 3/16" thick steel and also feature a tough powdercoat finish. This super tough dumbbell rack will handle even the largest set of hex dumbbells.