Size: 7 in. Dia x 12 in. H (5 lbs.); Pictured in 45 lbs. size. One piece solid construction. Hex shape prevents rolling. Raised silver lettering. Designed with the user in mind. Uses ASTM-grade 20 iron. Highest quality Gray iron casting available. Coated with a durable resin based paint. Baked for 1 hour to assure a finish that is chip, abrasion and corrosion resistant. 90-Day limited warranty. Enhanced by a hexagon shape to prevent it from rolling, this versatile iron dumbbell will be an excellent addition to any upper body workout routine. Perfect for biceps, triceps, chest, shoulders and back, the dumbbell is made of iron with raised silver tone lettering and is available in your choice of sizes.