ENGAGE - CLIP POINTThe Engage series of folders are exceptional in that they represent the introduction of Cold Steel's exclusive, patent pending Atlas Lock. It's a locking mechanism that provides an astonishing level of strength and safety in a folding knife. The Engage is available with 2. 5 inch, 3 inch, or 3. 5 inch blades which feature a shallow indent on the spine that makes for a comfortable place for your thumb or index finger when using the knives for precision