We tested the 60-pound version of the Rep Fitness Quickdraw Adjustable Dumbbell (which is also available in 30, 40, and 50 pound pairings). You adjust these weights by lifting levers on the plates ...
Weight range: 10 lbs to 50 lbs | Material: rubber-encased ends; solid cast iron core | Shape: hexagonal REP Fitness also comes recommended by Rowe, who says she loves these fixed rubber hex dumbbells.