MXR M103 Blue Box Script Reissue Pedal on ModularGrid ARMOUR Max Durable Dual Battery DTL Vape Kit Vaporesso ARMOUR NAX Mod Kit Vape Wholesale Global Vaporesso Armour Max 220W Starter Kit Select Vape Modding MXR Zakk Wylde Overdrive Barbarach BC Today's offering is a spruced up reposting of a vintage 1976 MXR Blue Box rescue. These are VERY odd pedals. On one side is a double octave down effect, and on the other