Tool Logic SL1 Tactical Folding 1/2 Serrated Knife With Hands-Free Magnetic LED Flashlight and Signal Whistle, Black 3-inch, 50/50 serrated stainless steel with satin blade bead blast finish Flashlight has directional hands-free magnetic base Loud emergency signal whistle Flashlight is waterproof for shallow immersion and is ideal for work in low light situations Rugged liner style lock and pocket/belt clip