These are used clarinet replacement parts. I have hundreds of parts in stock. Click to purchase the key or lever you want. If you don't see what you need, just message me. I will try to find it. Most keys will need new pads. Sometimes these parts won't fit because of age differences. Free returns! Send pictures when you can! It will help get the right part. ***If you have a bass clarinet that needs a replacement part installed, contact me for details on repair prices!