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The SOF Tourniquet Gen 4 is comprised of high-strength, lightweight alloy components. Its design allows the tourniquet to slide over a limb or, if the limb is trapped, the tourniquet can be rapidly disconnected and reconnected around the limb without rethreading the strap. The Gen 4 still maintains its true 1.5'' tourniquet strap, providing a wider compression pattern than most standard tourniquets. The wider compression pattern results in additional arterial compression and increased patient comfort.