Fully adjustable with four 6 lb plates, four 2.5 lb plates, 2 threaded solid dumbbell handles, and 4 spin-lock collars. Weights can be gradually added as the workouts intensify.
Adjustable 40lb Cast Iron Dumbbell Set Home Gym Fully-Knurled Handles
Adjustable 40lb Cast Iron Dumbbell Set Home Gym Weight Training Equipment New
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40lb Adjustable Cast Iron Dumbbell Set Plates Dumbbell Handles Spin-lock Collars
