Switch Spacer needed to set the switch spacing, SOLD separately.
Switch spacer set include 7pcs form 15 to 17 mm (0.5 increments) "+ tilting" and "- tilting"
popular switch spacing is 15.5mm, 16mm, and 16.5mm
Golden Base allow you to positioning the switch individually, so you can tune it to have the best switch setup for you.
White GL base gives smooth operation and have wider silicone compatibility, good for overall setup.
Black GL base have better stability and less rebound, but it will slightly add more tension. Only compatible with GL Silicones
Be careful, always double check your spacing and actuator combination, make sure the actuation not bending the switch hinge/blade on full/max throw.