Sheathing has smooth upper surface and is closed with rim plate in form-fit manner, where sheathing is made of stainless steel with one millimeter of minimum material thickness

摘要

The sheathing has a smooth upper surface and is closed with a rim plate in a form-fit manner. The sheathing is made of stainless steel with one millimeter of minimum material thickness. The sheathing has variable size depending on rim diameter.