Like new weights in great condition, no rips, tears or dents - can be found online online for no less than $300. POWERBLOCK CLASSIC HOME SERIES DUMBBELLS You could fill a room with dumbbells, or you can get up to 55 pairs at a fraction of the cost with 1 set of PowerBlocks. Each PowerBlock has color coded side rails on the weight plates that correspond to an easy reference color coded weight chart on the handle. The weight plates are nested, which means the handle fits inside weight plate 1, which fits inside weight plate 2, etc. To change the weight in just seconds, slide the selector pin into the blocks at the weight you want. Then reach inside the "core" and grab the handle. When you lift the handle, the weight you selected is lifted along with the handle. Features Include Black Powder Coat painted steel weight plates in classic square shape Snap on color band applied to rails on one side of each block. Handle has padded wrist supports Straight Center Handle (hand grip) Welded construction (non flexing) Elite 50 Set Weight range from 5LB - 50LB. Replaces 16 pairs of dumbbells or 825LB of free weights. Dimensions are 12" x 6" x 6"