Rowin LEF-606 Fuzz Pedal Mini Portable Guitar Effect Pedal Exquisite workmanship, mini and portable. Traditional Fuzz effect, plump and rich. Main Material: Aluminium alloy;True bypass provides transparent tone. LED indicator shows the working state. Rubber pads on the backside is anti-skid, which enhances the stability and avoids friction between the effect pedal and the ground.