The SLPro series offers a 3" partially serrated blade and a loud emergency whistle. They also include a white LED flashlight that's detachable from its sleeve attached at the top of the knife handle. The LED module has a premium magnesium alloy fire rod that is rated for hundreds of strikes. The flashlight is made of tough anodized aluminum and is waterproof for use in wet environments or for shallow immersion. The SL Pro features solid steel construction. Black color finish. Includes pocket clip.