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The Marcy 40-lb. Iron Dumbbell Set is a pair of adjustable spin-lock dumbbells with cast iron plates, chrome handles and a carrying case. Each 14-inch handle weighs 2.5 lb and takes 5-lb plates, so you can load both dumbbells evenly or work one at a time. Knurled grips and secure collars keep the plates in place through presses, rows and curls. It suits home lifters who want a compact starter set with room to grow, but the fixed 5-lb plate steps limit fine progression compared with plate-loaded or selectorized dumbbells.
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Lowest price we've seen: $38.99 on Nov 10 at NFM. Tracked across 10 stores since Nov 10.
Owners rate the set well overall and treat it as a solid, no-frills starter pair. They like the knurled grip, the secure collars and the case, and several note the plates and handles feel sturdy for the load. Complaints center on plate finish and the coarse 5-lb increments.






