HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. Cortex 4Kg Hex Dumbbells (Pairs) Will Allow You To Target And Isolate Muscle Groups Increase Resistance And Challenge Yourself In Every Workout. These Dumbbells Are Safe For Home Or Gym Use With Hexagonal Rubber Coated Heads To Reduce Rolling And Damage To Floors And Walls. Featuresbr> Rubber Coated For Handling And Safety Contoured Handle With Commercial Grade Knurling Tough Durable And Safe Thick Rubber Coating Protects Equipment And Flooring When Accidentally Dropped. 2X 4Kg Hex Dumbbells