FR4 is a high-density fiber material that feels given between an aluminum plate and PC. It is solid with a certain flexibility and also solid with hardness, which enables you to get a balanced typing exprience.
ANSI Version
ISO Version
What's in the box
FR4 Plate Poron Gaskets*16 Screws
FR4 plate is compatible with both Q1 Knob version and non-Knob version keyboard.