If you need a high quality training gear, then you should check this Jump for Schutzhund training. It is made of durable wood material. Its main advantage is that you can easily change its height according to your Great Dane sizes. Moreover, it is approved by professional dog trainers and it was official WUSV2011 Schutzhund jump! So get it now - and train your Great Dane like a pro!
Wooden Jump for Great Dane Schutzhund Training
Schutzhund Wooden Jump of Stable Construction