Delivered the items. However, there is no problem: simply at Youtube exactly "Raspberry Pi Model B + Taritec" Enter and click on the 3:44 minute long instructions. Alternatively, there is the manual "Raspberry Pi Model B + Taritec if using GPIO". Here also clarifies what the second small bag supplied with 4 screws, two rings and two short hex sockets.
I would almost go so far as to say that this is the only real case for the Raspberry Pi B +. Just buy it if you want to pack his raspberry perfect and worthy!