The brackets themselves are top class - I use a heavy-duty version of the Stanley tacker - by the pointed ends of this US Imports skin it even 10 mm long Tackernaegel until it stops in, even in hard wood! Pointed Naegelenden I found in no other German construction market!
Post Scriptum: The seller has responded to me very friendly and me to set out my Kulanzgruenden in consequence order two boxes NOVUS Nails for my staple gun - his reaction made me very happy, so I have the missing star now refilled. Many Thanks!