Add knobs to your grid with this add-on accessory for the HELLA UNTZtrument. This is a replacement piece of laser cut acrylic to use when building an Adafruit HELLA UNTZtrument It's perfect for adding a rotary encoder or any of our panel mount potentiometers.Swap this in during your build or upgrade your HELLA UNTZtrument after the fact. This piece can be used for the front only. Use the 'normal' UNTZtrument add-on for the two sidesThis part only works with the front piece of the HELLA UNTZtrument and not the normal UNTZtrument! Click here if you're looking for the normal UNTZtrument add-on, also can be used for the sides of the HELLA!