12-in-1 Adjustability 12-in-1 dumbbell allows you to easily and quickly switch your weight options in 5 lb increments from 10-65 lb. Durable, Cast-Iron Construction Constructed entirely from cast iron, the weight plates are built to last, rep after rep. Compact + Efficient Gives you more space and less clutter by replacing multiple weights. Anti-Roll Design Octagonal design prevents rolling and ensures stability during every workout. Flat End Plates Provides a comfortable surface to rest on your leg at the heaviest weights (60 & 65 lb). Secure Grip Knurled texture delivers a firm, comfortable grip for better control through each rep. The Adjustable Dumbbell is sold in pairs and comes with the dumbbell cradles. The Adjustable Dumbbell Stand is sold separately.