MXR M-116 Fullbore Metal Guitar Distortion Pedal Features:

Super-high-gain distortion
Three band EQ with sweepable mid frequencies
Tight, fast, switchable noise gate for syncopated metal riffage
Internal gate threshold control lets you set the noise gate's sensitivity
Small footprint
Scoop switch boosts the highs and lows
True bypass w/LED
All-analog circuit path