Schutzhund Dumbbell With Nylon HandlesMade from solid Maple Regulation weight SCH 1 Dumbbell Coated in non toxic Paraffin wax Includes 12" nylon handles [split] Our regulation sized Schutzhund 1 Dumbbell (650 grams) finished with two nylon handles to facilitate tugging with the dumbell for drive building and proofing. Redline K 9 Dumbbells are made from solid Maple and coated with a non toxic Paraffin wax to help keep the wood from cracking during the change of seasons.