Their Dumbbells 552 is back in stock.
Description from their site: Weights adjust from 5 to 52.5 lbs in 2.5 lb increments up to the first 25 lbs. Easy-to-use selection dials for adjusting weights. They are sold as a pair. Easily switch from one exercise to next and with the turn of a dial you can change your resistance, enabling you to gradually increase your strength.