Specifications:
Aluminum Plate - Stiffer and higher-pitched sound profile. Provides a solid and rigid typing experience.
POM Plate - Soft and flexible typing experience. This plate offers a gentle and cushioned typing experience. 

Disclaimer: Please note that only Polycarbonate and Aluminum plates come with screw slots. The decision to utilize these screw slots rests solely with the user. In the case of other plate options, the switches themselves serve as the means to securely fasten the PCB and plate together, resulting in an ultra-flexible typing experience. Please consider your personal preferences and requirements when selecting the plate material that best suits your needs.