Features:3.Mouthpiece: Tone: 6 suitable for alto E-flat saxophone.4.The sound is thick, the timbre is pure, the graininess is strong, and the resonance is excellent.5.The inner bore is hand-polished to make the deflector angle more accurate. The precise slide design is more reliable and allows the reed to fully vibrate.6.Saxophone thumb hook rest support: 48.5x18x27mm/1.8inchx0.7inchx1inch (LxWxH)7.Fine workmanship, not afraid of bending, good elasticity.Specifications:Material: Brass and Velvet and MetalColor: Golden and GrayBrand name: BQLZRSize:Mouthpiece:93x20mm/3.66inchx0.79inch (LxW)Interface outer diameter: 18mm/0.71inchInner diameter: 16mm/0.63inchVelvet bag: 165x75mm/6.5inchx2.95inch (LxW)Saxophone Thumb Hook Rest Support: 48.5x18x27mm/1.8inchx0.7inchx1inch (LxWxH)Weight: 135 gPackage include:1 x Saxophone Mouthpiece1 x Flannel Bag1 x Hook1 x Gasket1 x Screw Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.