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. Package List 1Rubber material, high flexibility, comfortable wearing feeling, tear-resistant and durable. 2Suitable for oboe clarinet instruments within 1.45cm metal thumb rest. 3Provides extra thumb rest and protects your instrument and hands, alleviating the fatigue of long-term playing. 45Pcs in a package to meeting your fairly long term use needs. 5Wonderful term to rest your thumb and bring you better playing performance.