ORIGINAL KBDFANS SPECS ANSI Plate Injection molding polycarbonate plate/ Brass Compatible with KBD67 lite, Blade65, KBD67v3 Not Compatible with KBD67 lite ISO version PCB Plate drawing Download ISO Plate Injection molding polycarbonate plate Only Compatible with KBD67 lite ISO version PCB Only compatible with KBD67 lite, Blade65, KBD67v3 Mute Silicone Silicone material Open source file Download Bottom Silicone Pad Silicone material Removable battery compartment design Reduce the sound of the bottom case cavity Compatible with KBD67 Lite R1/R2/R3/R4 case Not compatible with KBD67 V3 aluminum case Not suitable for the R2 Bluetooth version, need to be adjusted slightly Bottom Foam Thickness: 2mm Material: PORON Switch Pad Material: EVA Thickness: 0.5 mm