Eleven 10 C-a-t Tourniquet Gen 7 North American Rescue Black . s. Army's Institute Of Surgical Research. Tests Proved That The C-a-t Completely Occluded Blood Flow Of An Extremity In The Event Of A Traumatic Wound With Significant Hemorrhage. the C-a-t Utilizes A Durable Windlass System With A Free-moving Internal Band Providing True Circumferential Pressure To The Extremity. Once Adequately Tightened Bleeding Will Cease And The Windlass Is Locked Into Place. A Hook And Loop Strap Is Then Applied Securing The Windlass To Maintain Pressure During Casualty Evacuation. The C-a-t 's Unique Dual Securing System Avoids The Use Of Screws And Clips Which Can Become Difficult To Operate Under Survival Stress Or Where Fine Motor Skills Are Compromised. Specifications for Eleven 10 C-a-t Tourniquet Gen 7 North American Rescue: Color: Black Rescue Orange Training Blue Package Contents: Eleven 10 C-a-t Tourniquet Gen 7 North American Rescue The Eleven 10 C-a-t Tourniquet Gen 7 North American Rescue is a quality addition to the Eleven 10 lineup. For more great deals on First Aid Accessories by Eleven 10 please browse our Eleven 10 First Aid page.