This model is a CAT - Combat Application Tourniquet in Black. Once tightened, the windlass is locked in place when bleeding has ceased. The CAT also has a Velcro Windlass Strap for further securing of the windlass during patient transport.
C-A-T Combat Application Tourniquet Gen 7 Cat Military Trauma Kit
CAT Tourniquet - Black - Combat Application Tourniquets
CAT Tourniquet - Black - Combat Application Tourniquets x10 bundle
GEN 7 Military Issued Combat CAT Tourniquet
GEN 7 Military Issued Combat CAT Tourniquet American Grade Medical Equipment
CAT Tourniquet - GEN 7 & Emergency Care Bandage