These are Scandvic ABA stainless steel clamps made in Germany and are an exact match to the original Mercedes clamps, except silver, not gold in color.
This sale is for 6 clamps, however we do sell them in larger packs:
"Bolt/Nut Hose Clamp 7/16" to 17/32" Diameter Range, 9mm S10 Non-Perforated Band, 7mm S10 Slotted Hex Head Screw."
"Scandvik ABA Hose Clamps are made of high-quality, corrosion-resistant Swedish 316 stainless steel for excellent corrosion resistance."
"ABA 316 stainless steel clamps are the perfect choice for applications where premium corrosion resistance is required. All parts are made of 316 stainless steel."