Option 1: Stabilizer Tuning ONLYOption 2: Stabilizer Tuning & Tape ModOption 3: Stabilizer Tuning, Tape Mod, & Polyfill ModAffordable 100 key keyboard kit, has everything that a beginner keyboard builder needs. Polycarbonate plate with all foams included to provide you with that lovely sound. ✨ GMK98 Keyboard Kit features White/Black ABS Casing 96% Layout (100 keys) South-facing per-key RGB Polycarbonate Plate Hotswap sockets (3pin/5pin switches) Case, PE and Plate Foam Wireless 2.4G and BT 5.0 Swap between Windows and Mac mode Plate mounted stabilizers Does not come with Switches and Keycaps. Add-on Keyboard Mods Stabilizer Tuning is recommended to prevent rattle and increase smoothness. Lubing with Krytox205g2 on housing Lubing with Permatex Dielectric Grease on wires Balance wires to ensure that there will be no rattle. Tape Mod: 2 layers of masking tape will be added to the back of the PCB, enhancing the sound of the keyboard by absorbing high pitched frequencies from the switches and reflecting back low pitched frequencies. This will cause the keyboard to have a 'creamy' sound profilePolyfill Mod: Polyester fiber material is used to fill up spaces in-between the circuit board and bottom case, to mitigate hollowness.