The dkn a frame dumbbell rack is a great addition to any gym and will hold six pairs of rubber hex or chrome dumbbells the storage rack is very strong and durable made from sturdy steel with a secure bolt together design the non slip rubber feet not only keep the weight rack firmly in place but also protects all floors from being scratched the space efficient shape of the rack also makes picking up and returning dumbbells much easier and the nylon based plastic guards help to stop the rests