The SL Pro 2 (tactical black) offers a 3 inch partially serrated blade and loud emergency signal whistle. Not only does is have a brilliant white LED flashlight that's detachable from its sleeve (attached to the top of the knife handle), but the LED module has a premium magnesium alloy fire rod that is rated for hundreds of strikes. It throws off an intense shower of sparks at over 2500 degrees. The flashlight is made of tough anodized aluminum and is waterproof for use in wet environments orfor shallow immersion. The SL Pro features solid steel construction and has a stainless steel pocket/belt clip on the back. It's an ideal choice for rugged use anywhere life takes you.