This high-quality dumbbell set totals 40 lbs. and includes two 14.5” dumbbell bars, four collars, and eight weights (4 x 7.5 lbs, 4x 2.5 lbs.). Adjustable Vinyl Dumbbell Set, 40 lbs (20 lbs Pair). dumbbell exercises demand the use of multiple joints, which engages all the larger muscles of the body.
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