Features and Benefits: Features an R4 (Row 4) profile, designed for the top row of your keyboard. PBT Material Characteristics: Can withstand temperatures up to 150°C (or more in some cases). Resistant to solvents. Mechanically strong. High toughness, good fatigue resistance. Provides a cool tactile feel during use. Specifications: Material: PBT Height: R4/ESC height (suitable for replacing R4 or ESC keys) Color: Red Light Transmittance Blank keycap. Top print keycap. Side print keycap. Fit: Fits most major brand keyboards. Size: 18mm x 18mm Installation Instructions: Use a keycap puller tool (not included) to remove the keycap. Gently place both sides of the tool under the keycap you wish to remove. With both sides underneath, carefully pull upwards while gently wiggling the keycap from side to side. Ensure you do this in a smooth motion to avoid damaging the keyboard's mechanical switches. Note: Color may vary depending on your display, please understand. This is for keycaps only. Keyboard is not included. Package Includes: 1 X Keycap