Cap Barbell 150-Lb. Rubber Hex Dumbbell Set with Rack for $175.00. Select free site-to-store for in-store pickup at Walmart to save on shipping. Otherwise, shipping surcharge is $54.97. Here is a screenshot for reference. The weight dumbbell set includes a pair of 5-25 lb dumbbells, made of solid cast iron with steel handles, and comes with a 2-tier rack.