Just a replacement shealth for the Trench Raider Knife.
https://www.budk.com/Trench-Raider-Fixed-Blade-Knife-With-Sheath-Stainl-46480/46480.html?srsltid=AfmBOopY0aDjLwr6qOEu9t6-4Hdj_PRO33reVOE3gVIRfqmxr_Xd8AQ1
