Metal Pedal turns your clean guitar signal into a complete warzone of unique and distortion tones. There are insane levels of saturation, distortion and sustain that can be found all with the turn of a few simple knobs The Toggle switch allows for a between 3 different 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 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 changed by the . The Distortion knob allows for change in the overall fullness or tone of the effect's over- 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 counter-clockwise will let those bass and mid range sounds shine through Colour:grey :Zinc Size:95 x 44 x 48mm Package Contents: 1 x Guitar Effect Pedal Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.