ITEM NAME:Metal Trumpet Cap Screw Cover Finger Buttons Musical Instrument Accessories Product Description Description: Practical Metal Trumpet Cap Screw Cover Finger Buttons Musical Instrument Parts Accessories Specifications: Product size: 21.8x21.8x8mm/0.86*0.86*0.31" Product set net weight: 27g Application: Spare parts for trumpet replacement and repair. Notes: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not show the actual color of the item because of different photographing light, angle and display monitor. Included: 1 Set X Accessories.The picture may not show the actual color of the item because of different photographing light, angle and display monitor. Included: 1 Set X Accessories. Product set net weight: 27g. If item is defective after 3 months, you can still send it back to us.