GSI Tactical. Black Foxtrot Folding Knife. 4.75" Closed, 4" Blade. HRC 53-55 Steel. Hunting Knife. Survival Knife. Military Knife. Clothing clip and lanyard hole for easy carrying. Primed for everyday use, this durable cutting knife is a perfect addition to every use. Serrated edges. Black G10 Handle with 420 steel.