Overview Brand : HANDBODE Color : Black Item Weight : 240 Pounds Material : Alloy Steel, Rubber Special Feature : Encased, No-Roll Head, Non-Slip, Rust Resistant, Unbreakable About this item A pair of ( 5 lb 10 lb 15 lb 25 lb 30 lb 35 lb ) hex dumbbell weight for workout and muscle training. Made from solid cast iron and encased in virgin rubber to resist cracking, fading and protects floors and equipment. Hexagonal-shaped head prevents rolling and provides easier storage. Chrome-plated, ergonomically shaped handle can give you a solid grip for exercise and strength training. The dumbbells that weight 12 pounds and less will have a handle diameter of 28 millimeters, while the 15 pounds and up will have a thicker diameter of 34 millimeters. Dumbbells can be used in a variety of upper and lower body and core exercises, and they’re also a convenient option that can be used pretty much anywhere: the gym, home, and even outdoors. Note: It is normal to have some oil on dumbbell to prevent it from oxidizing. The new rubber dumbbell do have some rubber smell, the odor will dissipate after a period of time.