Our heavy duty steel dumbbell rack is made of 2mm commercial grade steel tubing construction for stability durability, which is at least 0.5mm thicker than others. Plus the dumbbell holder has a top carrying handle to move it around & folds up easily without disassembling to cleaning or different locations at home. The A-frame dumbbell rack with a progressive slot spacing and uses a stable triangular design, dumbbell stands is suitable for 5-35 pound dumbbells, such as neoprene dumbbells, hex dumbbells, etc. A-frame rack can hold up to 260 pounds without feeling like its about to fall apart or anything.