I see that the more expensive one weighs almost twice as much as the cheaper one but can anyone tell me what else is going on here?? I know these are both cheap gimbals though.
http://www.ebay.com/itm/DJI-Phantom...238?pt=LH_DefaultDomain_0&hash=item3cd379a826
http://www.ebay.com/itm/DJI-Phantom...250?pt=LH_DefaultDomain_0&hash=item3a855c755a
http://www.ebay.com/itm/DJI-Phantom...238?pt=LH_DefaultDomain_0&hash=item3cd379a826
http://www.ebay.com/itm/DJI-Phantom...250?pt=LH_DefaultDomain_0&hash=item3a855c755a