Note: All thumb caps are compatible with Steam Deck/Oled & Rog Ally/X, the back button needs to be purchased with the corresponding model or it won't work! 6Pcs Thumb Caps: Three different designs - to meet all games' needs Skin Grip: Original sense of control CQC Elite: +3 mm height and +20% radius FPS Master: +7 mm height and +42% radius Increased control accuracy - due to added radius of joysticks Great protection - protects original joystick caps from corrosion and spalling Special "grippy" material - increases friction and provides more sensitivity to enhance your gaming experience Note: The Thumb Grip Set is made of TPE material which is non-capacitive. When you find thumb grips become greasy, please remove them and clean them with detergent. 4Pcs Thumb Caps: SKIN GRIP - +1.5 mm height, protecting the analog sticks from abrasion and corrosion. CQC Elite - provides gamers with accurate control, increasing analog stick height by 3.5 mm and 25% in active radius. Increased control accuracy - by adding the radius of joysticks Great protection - prevent original joystick caps from corrosion and spalling Special "grippy" material - increases friction and provides more sensitivity to enhance your gaming experience Package Includes: 1x Pair of Skin Grip Thumb Grips 1x Pair of CQC Elite Thumb Grips Note: When you find thumb grips become greasy, please remove them and clean them with detergent. **The Thumb Grip Set is made of TPE material which is non-capacitive. Back Button Enhancement Set : Easy Fit - Quick installation for a new upgrade. Easy Removal - Detach in seconds, no sticky residue after removal. Ergonomic Design - Features an ergonomic arcuated design, and provides an anti-slip angle which improves grip. Improves Tactile Feel - Increases back button height, and enhances tactile feel. Compatible With or Without Protective Case Package Includes: Back Buttons x 4 Tapes x 20 Instructions x 1