Features: 1 Set saxophone sax thumb rest palm key risers. Made of silicone and fits onto the thumb rest on the back of the saxophone to create a more comfortable for the player thumb. Protect your fingers. It can solve the problem of finger fatigue, discomfort, protect keys, keys to adjust the level of increased comfort. Easy to install, stable and comfortable, not falling. Protect your Saxophone. Sax palm key risers Protect your instrument.Softness and environmental friend. Can alleviate the fatigue of long-term playing a musical instrument. Wonderful term to rest your fingers and bring you better playing performance. Wind Instrument Saxophone Sax Thumb Finger Rest Palm Key Risers. Suitable for alto tenors soprano saxophone accessories. Specifications: Material: Silicone Weight: 15g Size: As picture shows Package Includes: 1 Set Saxophone Thumb Rest note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to difference between different monitors, the picture may not reflect the actual color of the item.