PRODUCT DETAILS The Fitness hero commercial grade Rubber Hex Dumbbells have a “Class A” rating and are a superior quality above its competitors. Cast iron heads which are further bolted and encased into the rubber to eliminate any spinning & our chrome handles are ergonomically designed with consistent knurling to ensure you have a secure grip. The Rubber Hex Dumbbells hexagonal shape and design will prevent dumbbells from rolling away. Our premium grade hex dumbbells are an essential piece of kit for any home or commercial gym setup, our dumbbells ARE DESIGNED TO BE DROPPED! The listing if for single purchase Rubber Hex Dumbbells and are listed to reflect this e.g. 2kg = 1 × 2kg dumbbells - SPECIFICATIONS Sizes: 1kg – 40kg Commercial grade Rubber Hex Dumbbells - Embossed weight identification in KGs - Chrome contoured handle for extra grip - Ergonomically designed knurling - Please note that due to the manufacturing process there may be a Tolerance:+/-3% on dumbbell weight, all necessary precautions have been taken to ensure they are as close to the specified weight as possible.