ITEM NAME:Saxophone Rubber Thumb Rest Cushions, Palm Key Risers Pads, Finger Protector for Description: 1 Set saxophone sax thumb rest palm key risers. Made of rubber, fits onto the thumb rest on the back of the saxophone sax. Easy to install, stable and comfortable, not falling. It can solve the problem of finger fatigue, discomfort, protection keys, great for sax players. Replacement parts for alto tenor soprano saxophone. Size Chart: Saxophone Thumb Rest: Approx. 46 x 22 x 5mm / 1.81 x 0.87 x 0.20inch Saxophone Palm Key Risers: Approx. 28 x 15mm / 1.10 x 0.59inch Package Includes: 1 Piece Saxophone Thumb Rest 3 Pieces Saxophone Palm Key Risers SKU: CKX0015032478008643.1 Set saxophone sax thumb rest palm key risers. Made of rubber, fits onto the thumb rest on the back of the saxophone sax. Saxophone Palm Key Risers: Approx. 3 Pieces Saxophone Palm Key Risers. Saxophone Thumb Rest: Approx.