The Heavy Metal Pedal from Music turns your clean guitar signal into a complete warzone of unique and distortion tones. There are insane levels of saturation, distortion and sustain can be found all with the turn of a few simple knobs The Toggle switch allows for a choice between 3 different settings for your pedal. Hi-Boost, having a bit less body and more treble, Boost-Off, having a more mid-range meaty tone, and Lo-Boost, giving a very full mid and deep tone. All 3 choices are great for different genres and effects for any player.The Volume knob simply allows for the output from this pedal to be easily changed by the user.The Distortion knob allows for change in the overall fullness or tone of the effect's over-driven sound. Turning the knob clockwise will make a louder, more saturated and full tone while turning the knob counter-clockwise will make for a great mild distortion effect.The Tone Knob changes the brightness of the pedal. Adding more tone by turning clockwise will bring out more and high-end gain to your signal, while turning it counterclockwise will let those -y and mid range sounds shine through.Colour:blackMaterial: alloySize:95 x 44 x 48mmPackage Contents:1 x Heavy Metal Guitar PedalOnly the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.