The power block u33 column stand are gorgeous stands for the worlds best dumbbells keep your u33 urethane dumbbell set safe in the robust u33 column stand the stand has adder weight ports on the top of stand to store the adder weights when not in handles the top of the stand has a none slip rubber on it to make sure that the weights do not damage the stand this stand is beautifully designed and durable to hold the weights the power block u33 column stand please note power block dumbbells