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Amazon.com : PowerBlock 50 Adjustable Dumbbells, Sold in Pairs, 10-50 lb. Dumbbells, Durable Steel Build, Innovative Workout Equipment, All-in-One Dumbbells : Sports & Outdoors
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Amazon.com : PowerBlock Pro 50 Adjustable Dumbbells, Sold in Pairs, Stage 1, 5-50 lb. Dumbbells, Durable Steel Build, Innovative Workout Equipment, All-in-One Dumbbells : Sports & Outdoors
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