All of these keycaps are compatible with the Choc switches, but they have different dimensions.
Both work if the keyboard has a grid-space of 19mm and 19.05mm (most common).
Some keyboards which are specially designed for Choc switches have a smaller grid-space and the clear keycaps will not fit.
White/Black 1U W:17.7mm H:16.7mm
Clear 1U W:17.5mm H:18mm
- Compatible with Kailh Choc switches
- The white version is more ivory-coloured