I don't know what it's called

Hi Guys,

Ive been doing up my grandmothers furniture, regarding the clasps/hooks and other attachments.. ive lost a couple...

Needing to order some, but.. I dont know what to search for. Ive been trying for days.

can anyone tell me what this is named (specifically the U shaped.. thing)

https://drive.google.com/open?id=0B9A_5IIxaxj5bldDUERHMUpSNWFnbHY1a0FHbXZ0N1I1TGdF

https://drive.google.com/open?id=0B9A_5IIxaxj5RWpNR0RjLXRmQ2lfM3dGRkJ1aTlyRnFDOTJB

https://drive.google.com/open?id=0B9A_5IIxaxj5UEY2cHBmYmRWa3VubkE3WHphWTc3YjUzMlM4

https://drive.google.com/open?id=0B9A_5IIxaxj5ZFB1NEYwVFhWMllNQk5tT0wzZkFkdWpTZzNj

sorry for potato