Instrument Clinic Alto Saxophone Pad Installation Kit, with Plastic Resonators, Leak Light, Please Email Your Model Instrument Clinic IC640 Sax Pads with Plastic Resonators (email your model) Includes One Saxophone Neck Cork Includes one LED leak light Includes Instrument Clinic pad shellac Includes One Saxophone Neck Cork *****Cork requires contact cement for installation (not included) Please email your saxophone model via amazon message system