This is an RTI 39 Hanger, originally designed for use with for use with all GHS series G-CODE Holsters. However, these can be used with any DIY holster or sheath mount design with a similar adaptation.
Specifications
RTI 39 Hanger
Length = 3.12"
Width = 2.00"
Depth = .375"
Finish = Brushed Aluminum
(1 QTY = 1 RTI 39 Hanger)