I haven't seen them for sale yet. The ones you've seen may be custom chromed stock handles.
I've seen a chrome cover for the rear hatch latch cover plate. It's a stick on cover that goes over the existing cover. I saw that on eBay. Check eBay and search Dodge Nitro.
I've seen a chrome cover for the rear hatch latch cover plate. It's a stick on cover that goes over the existing cover. I saw that on eBay. Check eBay and search Dodge Nitro.