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One pair replaces 15 individual sets of weights.
Because these are adjustable, they are longer (approx. 16.9 inches) than standard light dumbbells, which may require slight form adjustments for certain exercises.
Each dumbbell adjusts from 5 to 52.5 lbs (2.27 to 23.8 kg).
Experts recommend not dropping or slamming these weights, as the internal locking mechanism and plastic parts can be damaged by high-impact forces.
: $429.99 with free delivery on orders over $25.
If you are buying secondhand (e.g., from eBay