The MX55 adjustable dumbbells 10-55 lbs in 5lb increments (4.5 – 24.9 kg in 2.25 kg) - Replaces a traditional 10-piece dumbbell set - Change weights with the turn of a dial - Includes sturdy storage stand which usually sells for $100-$150 - the set sells for $600 new (most US depots sell for $399.99 USD) - excellent condition - very lightly used (no more room for gym with little one on the way) Do have a brand new adjustable weightroom bench too if interested.