The PowerBlock Elite EXP Adjustable Dumbbells are on sale for $306 ... dumbbell set is one of the top 10 bestselling sets on Amazon—over 6,000 were purchased in the last month alone—and ...

One great feature of these PowerBlocks is that once you're ready to move beyond 50 pounds, you don't have to go out and buy an entirely new set of adjustable dumbbells. The expansion kits allow you to ...