Get in shape with the Fitness Gear(R) Cast Hex Dumbbell. This dumbbell features a cast iron construction that will provide years of use. Add resistance to various exercise and cardio routines. FEATURES: Sold as a single dumbbell Cast hex dumbbell Cast iron construction allows for years of use For residential use only Weight: sold in 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, or 60lbs. Fitness Gear Click here for additional information relating to the Manufacturer's Warranty.