Schutzhund Obedience DumbbellsMade from solid Maple Turned out of a single piece Regulation weight Coated in non toxic Paraffin wax [split] Redline K 9 Schutzhund Obedience Dumbbells are turned from a single piece of solid Maple and coated with a non toxic Paraffin wax to help keep the wood from cracking during the change of seasons. Regulation sized and properly balanced, these dumbbells are perfect for training or trial.