Dumbbell set made of Maple hardwood, turned for traditional IPO / Schutzhund dumbbells. These are some of the best dumbbells I have seen in a long time, and they are made in the USA. These Dumbbells are IPO / Schutzhund Regulation Weights. The weights are 650 grams, 1000 grams and 2000 grams. Dumbbell carry case also available and you can now purchase these maple hardwood dumbbells separately.