Oval DumbbellSame size as SCH1 dumbbell Made from solid Maple Turned out of a single piece Center bar is oval not round Coated in non toxic Paraffin wax [split] The center bar of this SCH1 dumbbell is oval shaped instead of round. The oval shape makes it hard for the dog to turn or roll the dumbbell inside their mouth and will help prevent chewing. Many trainers find this product especially useful in the early stages of dumbbell training. Redline K 9 Schutzhund