D-Ring Attachment for Sentry/MSV2

D-ring attachment used on the Saberbay Sentry hilt model, available as a separate item for adding to other hilt designs such as the Master Sentinel V2. 
Made from CNC machined aluminum, this ring attachment comes assembled with the custom ring and the holder which allows the ring to rotate and has a section in between the two D-ring ends to use a retention screw.
The size of the hole can fit a button head screw up to 5.8mm and is recommended to use a screw that is at least 4mm long (for the threads).

A M3x4 button head screw is included with the assembly.
The back of the attachment is a flat surface.