This photo etch detail set from from Voyager Model is available directly from Lucky Model.com.

This photo etch set includes the 1/35 WWII German Clamps & Clasps. 

You will be required to fold the photoetch in this set, but if you have one of the Hold & Fold photo etch benders from The Small Shop, then this will be an easy process.  They have a variety of benders for sharp corners as well as rounded corners and in many different sizes.