Keychain HE Grenade with a built in lighter. This lighter is a typical HE (High Explosive) grenade used by real forces and often seen in your favorite first person shooter games. The keychain is pocket sized, with just enough weight to feel the quality, made to stand the test of time. You will definitely be the center of attention with this unique and fun keychain, surprise people with it. This product needs to be filled with gas before use. Gas not included.