Muff Box

Based on the classic Big Muff effects pedal of the 70's. Provides an effect somewhere between fuzz and overdrive distortion.
A build of the complete pedal requires:
1 x Muff Box electronics pack (K135)
1 x Pedal hardware pack (K136)
1 x 1590BB/29830PSLA enclosure in whichever finish you prefer.
3 x control knobs for 6.35mm pot shafts in whichever style you prefer - see here.
Full build instructions can be found here.