Chris Reeve Pocket Clip Insert Large Sebenza 21/31 and the Umnumzaan

This Chris Reeve Pocket Clip Insert fits a Large Sebenza 21/31 and the Umnumzaan. You place it in the cut-out in the handle when you remove the pocket clip. Also included is the matching screw. The bit you need for this screw is a 5/64" allen key, so an inch-size.