Selling my Powerblock 50 pound dumbbell and it comes with the chrome adder weights that weigh 2.5 pounds each and fit inside the handles. Its also expandable to the 90 pound set. $95.
I have a Powerblock 24s Sportsblocks set for sale. Starts at 6 pounds using just the handles and goes up to 24 pounds in 3 pound increments from there. In great condition. $100 firm on it