Diecast box sized 122x67x36mm. Holes for 1 footswitch, 1 Potentiometer, 1 LED-holder, 1 DC jack isolated and 2 mono- or stereo-jacks are already drilled.
The hole for the potentiometer can also be used for mounting a switch or something similar, the LED-holder hole can also be used to mount a pot or switch.
Including bottom-plate and screws.
Here you can find a drawing and a print layout for this enclosure: 125B Layouts