[Special shape design]- Special shape design fits your metal thumb rest very perfectly. [Rubber material]- The thumb rest cushion is made of rubber material, high flexibility, comfortable wearing feeling, tear-resistant and durable. [for oboe clarinet]- The thumb rest cushion is suitable for oboe clarinet instruments within 1.45 - 1.75cm metal thumb rest. [Wonderful term]- Wonderful term to rest your thumb and bring you better playing performance. [extra thumb rest]- The thumb rest cushion provides extra thumb rest and protects your Specification: Condition: 100% Brand New Material: Rubber Color: Black Quantity: 1Pc Opening Thickness: Approx1.5mm / 0.05inch Suit for Oboe Clarinet Instruments Applicable Metal Thumb Rest Size: Approx1.45 - 1.75cm / 0.57- 0.69inch Dimensions(L x W x H): Approx38 x 22 x 28mm / 1.5 x 0.87 x 1.10inch Weight: Approx9g Packing List: 1 x Thumb Finger Rest