Specification Brand : Yibuy BulletPoint1 : Material: Made of high-quality brass, comfortable to touch, good sound quality, wear-resistant, and can be used for a long time. BulletPoint2 : Well-Designed: Including the outer ring, inner cup, inner diameter and inner tube, the precise design of each part helps ensure the euphonium mouthpiece works well. BulletPoint3 : Wide Compatibility: Compatible with standard trombones, compact enough to fit in your pocket, enjoy anywhere and anytime. BulletPoint4 : Perfect choice for gifts: Can meet the requirements of different occasions, such as concert halls, homes, band practice areas and performers' learning stages, ready as a gift for trombone beginners, professional players, adults. BulletPoint5 : Applicable to: It is suitable for euphonium and vertical-keyed euphoniums. Color : Silver IncludedComponents : Tenor Trombone ItemName : Yibuy 2 Pcs Silver Plated Bass Mouthpiece 6 1/2AL for Trombone Beginners ItemPackageDimensions_Height : 1.57 inches ItemPackageDimensions_Length : 3.74 inches ItemPackageDimensions_Width : 1.57 inches ItemPackageQuantity : 1 ItemTypeKeyword : trombone-mouthpieces Manufacturer : etfshop Material : ABS ModelName : Trombone ModelNumber : M7241217074 PartNumber : M7241217074 ProductDescription : Features: 1.Each item is qualify checked with a unique Manufacturing Part Number label on the inner package;in order to confirm if it is authentic item sold by our store. 2.Any question,please contact and send us the MPN label information. 3.Material: Made of high-quality brass, comfortable to touch, good sound quality, wear-resistant, and can be used for a long time. 4.Well-Designed: Including the outer ring, inner cup, inner diameter and inner tube, the precise design of each part helps ensure the euphonium mouthpiece works well. 5.Wide Compatibility: Compatible with standard trombones, compact enough to fit in your pocket, enjoy anywhere and anytime. 6.Perfect choice for gifts: Can meet the requirements of different occasions, such as concert halls, homes, band practice areas and performers' learning stages, ready as a gift for trombone beginners, professional players, adults. 7.Applicable to: It is suitable for euphonium and vertical-keyed euphoniums.