Brand Name: Tooyful
Origin: Mainland China
Model Number: Sax Ring
Material: Material: : Rubber
Soprano Inner Diameter: Approx.6cm/2.36inch
Soprano Outer Diameter: Approx.8.2cm/3.23inch
Alto Inner Diameter: Approx.8.7cm/3.43inch
Alto Outer Diameter: Approx.10.9cm/4.29inch
Tenor Inner Diameter: Approx.11.3cm/1.45inch
Tenor Outer Diameter: Approx.13.6cm/5.35inch