Features: Rubber material, high flexibility, comfortable wearing feeling, tear-resistant and durable. Suitable for oboe clarinet instruments within 1.45cm metal thumb rest. Provides extra thumb rest and protects your instrument and hands, alleviating the fatigue of long-term playing. 5Pcs in a package to meet your fairly long term use needs. Wonderful term to rest your thumb and bring you better playing performance. Specification: Condition: 100% Brand New and High Quality Material: Rubber Quantity: 5Pcs Suit for Oboe Clarinet Instruments Applicable Metal Thumb Rest Size: < 1.45cm / 0.57inch Type: 10mm Thickness White, 10mm Thickness Black, 6mm Thickness White (Optional) Size: Approx. 19 x 19 x 10mm / 0.75 x 0.75 x 0.39inch (10mm Thickness White) 19 x 19 x 10mm / 0.75 x 0.75 x 0.39inch (10mm Thickness Black) 17 x 17 x 6mm / 0.67 x 0.67 x 0.24inch (6mm Thickness White) Weight: Approx. 9 - 16g Packing List: 1 x Pack of 5Pcs Thumb Rest Cushion Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.