Ripple TKL Addons Extra Addons for the Ripple TKL keyboard GB. Please note, a build requires 20 plate mod foams or 10 O-Rings, and 10 case mod foams. Foam Dampening Kit PCB Foam (PE) Plate Foam (PORON) Case Foam (PORON) Plate Mod Kit Set of 20 Foams PORON *Can be used in place of Plate O-Rings. Top Case Mod Kit Set of 40 Foams Materials PORON (10) PE (10) EVA (10) Silicone (10) *Final production units may vary from the provided image. Plate O-Rings Set of 10 O-Rings Silicone Available Durometers (Hardness - lower number is softer) 30A 50A 70A *Can be used in place of plate mod foams. O-Rings may be a different color from the image shown. Custom Feet Silicone Bumpon Compatible Colors in the final product may vary since renders are done under idealistic artificial lighting.