Body Solid SDS550 Hex Dumbbell Set Gray 5-50lbReady to take your body to the ultimate level of muscularity? Nothing will do it faster, easier and more efficiently than these sets of hex dumbbells. Cut your workout time in half while maximizing muscle growth. Heads are cast completely around and through two high carbon Roll Pins permanently embedded in the steel handles. No matter how much they're abused, they won't break. Specially designed hexagonal shape prevents rolling and assures safer