Cloud Defensive PATCH9MM ATB Patch 9mm Black Velcro
https://www.tandktactical.com/shop/076625992679-cloud-defensive-patch9mm-atb-patch-9mm-black-velcro-36154
https://www.tandktactical.com/web/image/product.template/36154/image_1920?unique=5001d5a
These patches are designed to fit on the handle of your ATB for Quick caliber ID.
