Made from premium rubber, our dumbbells are a classic rubber coated hex dumbbell design that is quiet and easy on your floors, and superior to others on the market. The chrome plated handle is straight and fully knurled for maximum grip. Unlike slippery ergonomic handles that only have knurl across part of the handle surface, our full knurl gives you a secure grip on the dumbbell at any weight.Black rubber encased coating increases durability, protects flooring, enhances appearance, and is easy to clean and reduces noise and the unique hex shape prevents rolling and stacks easily.Hexagon shaped dumbbell heads are designed to prevent rolling, as well as provide easier storage. The dumbbells also come with a polyurethane infused gripping surface and chrome accents on the handles.Rubber Hex Dumbbells vs Adjustable Dumbbells More convenient and durable than an adjustable dumbbell set, a rubber hex dumbbell set can last a lifetime and is a great investment in your health. A rubber dumbbell is great for a huge variety of exercises, and never goes out of style. A staple in many strength and conditioning programs, dumbbells allow you to develop real world strength by moving heavy objects in your hands. It doesn't get any simpler.