Thank you for viewing. This is a mounting band for a GORIN ring lock. 19mm (Large) 1 set 16mm (Medium) 1 set Unused. Please note that there are no screws or other parts, only the mounting hardware. (Everything is shown in the first photo) *Individual sales are also possible, but the price will remain the same as the shipping cost doesn't change. Please understand. If you have any questions or concerns, please feel free to comment before purchasing.